A$35,000
£20,500
THE COLLECTIVE
European Watch Company – Est. 1993
Published by samuel colchamiro.
View all posts by Samuel Colchamiro
IWC’s Portugieser line of watches has always been recognized as some of the best everyday watches. The model line brings classic layout to a sporty case dimension to form a sort of hybrid timepiece that is equally comfortable in many environments. The Portugieser Yacht Club Moon and Tide, reference IW344001 represents one of the latest additions to the Portugieser family, contributing new complications to the celebrated model line.
The IWC Portugieser collection was introduced in 1939 with the reference 325. Two Portuguese businessmen, Rodrigues and Antonio Teixeira, approached International Watch Company, proposing the construction of a stainless steel watch with marine chronometer precision. Subsequently, the reference 325 was born. Then considered a robust sports piece, the 325 was produced into the 50s, when the output began to sharply decrease for a variety of business related reasons.
Interestingly, IWC made many extra cases for the 325 which remained unused by the end of production. In the 1970’s, a Swiss retailer requested that IWC make a series of pieces utilizing the original cases that remained. The brand agreed, maintaining the original styling of the 325 but updating the movement to the caliber 982, which was significantly more refined than the caliber 98 of old, which had been better suited for a pocket watch than a wrist watch. After the success of this run, IWC ran a series of production runs for different European markets, including in 1979 for Germany and a 1993 limited edition in honor of the 125th anniversary of IWC. The 325 captures an essential portion of watchmaking history— the transition from pocket watches to wrist watches. Pieces like the 325 demonstrated the overall movement of the industry away from large pocket watches and towards wrist watches that provided the same chronometric precision and complication.
Since the Portugieser’s rebirth, the model line has exploded into arguably the brand’s most recognizable design (up there alongside the Pilot models). In 2020, IWC launched the model we are covering today, the Yacht Club Moon and Tide reference IW344001 in 5n red gold.
The IWC Portugieser Yacht Club Moon and Tide, reference IW344001, is an interesting amalgamation of elements. Carrying the history of the Portugieser model line, with the sporty sizing of 44mm, strong lug presentation, and crown guards, the piece is simultaneously quite refined in some of its finishing details. Fashioned from solid gold with gold hands and applied indices, the piece is reminiscent of say the Rolex Submariner in yellow gold — it’s a robust design and history, but a luxury set of appointments and finishes. This versatility is both an attribute and a detractor depending on your preferences.
Most interesting with this model is the unique combination of complications present on the piece. Displaying the moonphase in both the northern and southern hemispheres, and a low/ high tide indicator, the piece is the perfect companion for a mariner who enjoys mechanical complications. The strap is incredibly solid, made to resemble a rope texture (yet another nod to sailing), and is seamlessly custom integrated to the case. The strap is outfitted with a deployant clasp, an attribute that is particularly helpful on heavier watches like the Yacht Club. The case flanks are brushed and contrast with a polished bezel. The brushed finish continues to the sides of the lugs, with the dial side of the lugs also receiving high polish. IWC’s dial is a rich blue sunburst that adds to the warmth of the red gold case and further accentuates the nautical theme of the piece.
Beyond the complications and adaptations made to accommodate them, the piece maintains the identity of earlier Portugieser models, with classic leaf-style hands (lumed in this case), arabic numerals, and large dial alongside a minimalist bezel. This design formula helped make the Portugieser a success in the past, and continues to attract a diverse collector pool in the modern era.
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IWC’s Moon and Tide reference IW344001 is powered by the automatic winding caliber 82835. The 82835 is well spec’d, with 60 hours of power reserve, but brings a considerable feature that many remain wholly unaware of: the Pellaton winding system. Developed by Albert Pellaton, the technical director of IWC until 1966, the unique mechanism uses a series of pawls to transmit the energy from the rotor to the mainspring. The most immediate benefit of the system is significantly greater resilience against shocks and vibrations, interference that can hurt the delicate gear train. It is always exciting to own a piece that incorporates a key development of that brand’s history. Owning an IWC with the Pellaton is analogous to a Breguet watch with a tourbillon— it’s special.
IWC chose to skeletonize the bridge structure on the movement side in order to provide greater visibility into the componentry of the movement. This is certainly a more obscure method of skeletonization than say a skeleton dial, but it is quite an interesting approach that yields practically the same results without interfering with the dial side of the piece. Skeleton watches are polarizing — some love them, some hate them — but a skeleton movement doesn’t drastically impact the overall presentation of the watch when the dial is unaffected.
The automatic winding rotor is inlaid with a rose gold medallion bearing the IWC branding. In equally sophisticated fashion, the base of the caliber is made from brass, consistent with tradition. The piece includes hacking seconds and IWC’s proprietary shock absorption system.
The most natural alternatives to the Yacht Club Moon and Tide reference IW344001 would be both of Rolex’s Yacht Master model lines. Fashioned from Rose Gold (options are available in white gold as well), the Yacht Master reference 126655 confers the same mix of precious metal and sports spec mentioned earlier. The Yacht Master is likely the archetypical representation of a luxury yachting watch.
Alongside the Yacht Master, the Yacht Master II is an equally common option. Also made from solid gold, the Yacht Master II provides a regatta timer chronograph with countdown mechanism. If you plan on timing races, this watch is the one for you. Of course, the IWC Yacht Club affords an entirely different set of complications, but if you are seeking out a recognizable regatta timer, this is the model to go for.
For an entirely different take on the regatta timer, consider Richard Mille’s 50 piece limited edition RM 60-01 “St. Barth” . It’s a flyback chronograph with UTC function and 50 hours of power reserve. Made from titanium, this watch is nothing like the others, but is equally interesting, as one of RM’s only watches not to use the typical tonneau case shape.
The collector that appreciates this type of watch likely enjoys sailing and/ or yachting. Some will actually use the complications present, exploiting the high and low tide indications as well as the moon phase in different hemispheres to help in navigational decisions. Seeing as most sophisticated modern ships provide this information equally, if not, more accurately, it is more likely that this watch is appreciated more for its ties to the nautical world than for its practical utility as a tool.
Marine associations aside, the piece is equally wearable and interesting for a complete outsider. If you like larger wrist watches or obscure complications, the rose gold 44mm timepiece is quite charming on its own.
The IWC Portugieser is one of the most successful design languages in the industry. Since its introduction, the Portugieser collection has grown to include a variety of complications, from chronographs, to perpetual calendars, to minute repeaters, to annual calendars. Each watch has its own character, but unique complications such as high and low tide indication and dual moon phases are the types of elements that watch collectors obsess over. Even if the complication is never used, the knowledge that a mechanical solution has been created to address the need for such information is the underlying philosophy that keeps collectors engaged and enthusiastic about watchmaking in the first place.
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In this, the year of our Portugieser 2020, IWC also just released some new Portugieser Yacht Club watches as part of Watches & Wonders 2020 . The Yacht Club has always been an interesting sub-category of the Portugieser, intended to be a sportier breed with features like rubber strap and lume. So far, IWC has only produced the Yacht Club in a flyback chronograph, but this year they’ve added a new model that boasts a new complication for the brand, as well, in the form of a Portugieser Yacht Club Moon & Tide model that has a moon phase and a new tide-tracking complication, which I believe is technically a Mareoscope.
The Portugieser Yacht Club Moon & Tide is debuting in just one variant, but it’s close to universally attractive, coming in a red gold case with brilliant blue dial with matching gold-plated hands and indices. At 12 o’clock, you can see the double moon phase display that shows Spring tides (which happen during full and new moons) and neap tides. At 6 o’clock is the subdial showing the anticipated times for high or low tide. IWC paid attention to the details here, with guilloché work, gold accents, and an applied gold plate around the circumference of the 6 o’clock subdial. As far as legibility goes, there is double-sided AR coating on the convex sapphire crystal, something I always appreciate.
It takes 24 hours and 48 minutes for the earth and moon to be in the same position, meaning that the time between two high tides is always 12 hours and 24 minutes. To measure the tides, IWC added a 49-part module to its 82835 calibre movement. Installing a three-cogged reducing gear to the hour pinion slows down the rotation of the tidal discs, allowing the disc to rotate around its axis every 14.76 days. Note that the time of the next tide is always approximate due to the fact that the discs are continually moving. So, if you’re checking at 10 o’clock AM and the indicator points to 12 o’clock, the tide will actually be slightly after 12. This discrepancy comes out to 10 minutes over 100 years.
It’s an uncommon complication on a mechanical watch, and I can only think of the Corum Admiral with a tide complication, a vintage Eberhard chronograph, and the Vacheron Constantin Les Cabinotiers Celestia from 2017 that include it. I do know that Sinn, as well as some vintage Heuers, have a less robust version of a tide complication.
Visible through the caseback of the IWC Yacht Club Moon & Tide, the 82835 calibre operates at 28,800 vph and has a 60-hour power reserve.
The red gold case measures 44.6mm-wide and 14.4mm-thick, with a water resistance of 30M, so wear it at the Yacht and/or Club but leave it out of the pool. IWC has added a new filigree bezel matched with a flat casing ring which help make for a pretty attractive-looking case that avoids being generic. And at 14.4mm-thick, the bezel adds a nice framing that ameliorates potential chunkiness.
While IWC introduced a bracelet to the Yacht Club Chronograph, the Moon & Tide comes on a blue rubber and textile strap that the collection has become associated with. Of course, the buckle matches the red gold case here.
The IWC Portugieser Moon & Tide is a cool and idiosyncratic piece that is marketed to a very, very niche type of buyer. The tide indicator is a difficult complication to pull off in a mechanical watch, which is why you rarely see it. For that, you have to give IWC serious credit. A gold watch with excellent finishing and a new intricately elaborate complication, the IWC Portugieser Yacht Club Moon & Tide is priced at $34,000 USD . You can learn more at iwc.com .
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18 ct 5N gold case, Automatic, self-winding, Diameter 44.6 mm.
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A complex interplay of gravitational and centrifugal forces between the earth, the moon and the sun causes the tides. On most of the earth’s coasts, there are two high tides per day, always precisely 12 hours and 24 minutes apart. The Portugieser Yacht Club Moon & Tide indicates the expected times for the next high and low water on a subdial at “6 o’clock”.
This is achieved by a reduction wheel train which translates the regular rhythm of the hours into the constantly shifting time sequence of high and low water. The double moon phase display at “12 o’clock” has been enhanced to show spring and neap tides and therefore also informs about the strength of the current tides. Spring tides, which bring particularly high water, occur at full moon and new moon.
The tides are a timelessly fascinating spectacle: twice a day, the waves retreat from the shore before inexorably rising again. This natural phenomenon is caused by a complex interplay between the gravitational and centrifugal forces of the moon, the earth and the sun. The time between two high tides is precisely 12 hours and 24 minutes. If, for example, it is high tide at midnight, the next high tide will occur at 12.24. The Portugieser Yacht Club Moon & Tide shows the slightly shifting time for the next high tide on the dial. During the 12 hours and 24 minutes between two high tides, the display disc will rotate by around 24 minutes on its 12-hour scale. The energy required is channelled from the base movement’s hour pinion. A precisely calculated reducing gear comprising three cogs slows the rotation to the point where the tidal disc rotates around its axis once in exactly 14.76 days. The tidal display module is integrated into the 82835 calibre movement and contains 49 parts.
The 18-carat 5N gold case, blue dial, gold-plated hands and 18-carat gold appliqués underscore the maritime character of this timepiece. The IWC-manufactured 82835 calibre features a Pellaton winding system. Fitted with ceramic components, it boasts a power reserve of 60 hours.
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The flagship of IWC’s new Portugieser watches unveiled at Watches & Wonders 2020 is not the most complicated, but it is certainly the most unusual. The Portugieser Yacht Club Moon & Tide is a first for IWC, introducing a brand-new complication to its line-up – a tide indication that tracks the ocean’s ebbs and flows.
The Yacht Club Moon & Tide is a big, heavy and shiny sports watch with twin sub-dials, but it is far more interesting than the typical watch in this category (which is almost always a chronograph).
One of the very rare, comprehensive tide-display watches on the market, the Yacht Club Moon & Tide incorporates twin tidal displays, which are useless for most but fascinating, not just because they are rare but also because they are, in essence, an astronomical complication. And the tidal displays are combined with IWC’s trademark double moon phase, making it a bit more compelling.
(But like all tide-indicator watches, the new Yacht Club has a caveat: IWC points out it “works reliably on all coasts with two equally strong high and low tides per day”. It is not a flaw, but just a nature of the complication. More that below.)
At the same time, the watch overall is constructed to IWC’s usual levels of quality, which is to say excellent. The only downside is the rose-gold case, resulting in a steep price tag; hopefully a steel or titanium version comes along (and it probably will).
The tide-indicator complication first appeared in a wristwatch in 1949 when Heuer unveiled the Solunar , which was followed by the Seafarer that combined a tidal display with a chronograph. L ike regatta timers for boating, tide-indicator watches were specialised timers created to cater to the growing popularity of recreational and competitive sailing in the 1950s. However, the tidal complication remained relatively rare compared to the regatta timers that had a straightforward application in sailing, making it more commercially successful.
But while regatta timers were designed to countdown to the start of a sailing race, tide indications are astronomical in nature. In fact, they can be seen as an elaboration on the moon phase, because tides are the terrestrial result of the fluctuating gravitational forces exerted by the Moon and Sun on the Earth.
The Corum Admiral’s Cup Tides of 1992. Photo – Sotheby’s
Tide indications should be of broader interest, being useful to fishermen, surfers, sailors, at least in theory. In reality, mechanical tide indications occupy an esoteric area of watchmaking. The complication exists in but a handful of watches spread across a diversity of price points, depending on the complexity of the tide indication.
At the entry level is the affordable Sinn 240 St GZ with a no-frills tide-calculator bezel and a price tag of under US$2,000. At the other end of the spectrum is the artistic Real Moon Tides from independent watchmaker Christiaan van der Klaauw.
But worthy of special mention is the pioneer of the high-end tide indication in modern watchmaking. In 1992, Corum debuted the Admiral’s Cup Tides, which included three tide-related displays and is still in production today as the Admiral AC-One Tides.
That makes the Portugieser Yacht Club Moon & Tide fairly special, being the only tide-indicator watch offered by a major brand today. Additionally, it stands out for being a comprehensive tide indicator, while still maintaining a clean, two-register dial that is reminiscent of the Yacht Club chronograph. But before delving into the new Yacht Club, let’s take a short dip into the world of tides.
A tide indication is usually accompanied by the moon phase display because the Moon is a major influence on the level of the oceans, more so than the Sun. The gravitational pull of the Moon generates a tidal force that is constant no matter the phase of the Moon. And that tidal force causes the oceans to bulge, on the side of the Earth that is facing the Moon.
But at the same time, the side of the Earth furthest from the Moon bulges because the gravity of the moon is also acting on it, resulting in the water on Earth being stretched into something resembling a rugby ball.
The bulges in the oceans results in high tides around the continents, but not all high tides are created equal. For simplicity, a high tide is often portrayed as being the same everywhere but that’s actually not the case in reality. The bulge in the oceans furthest from the Moon is smaller than the one facing the Moon as the gravitational pull exerted the far side of the Earth is weaker.
The rugby-ball shape that results from the Moon’s gravitational pull
Because the Earth rotates on its own axis anticlockwise in about 24 hours, it undergoes the cycle of high and low tides twice each day. However, the Moon also orbits the Earth approximately every 29.5 days, roughly equivalent to a calendar month. Thus, during the time it takes the Earth to complete one rotation on its own axis, the Moon progresses a little further on its monthly orbit of the Earth.
As a result, for a fixed spot on Earth to return to face the a fixed spot on the Moon requires 24 hours and 48 minutes, otherwise known as a Tidal Day. And because the tidal cycle happens twice a day, a high tide occurs every half-Tidal Day, or 12 hours and 24 minutes.
Ordinary high and low tides, however, are less extreme than Spring tides that happen when the Sun, Moon and Earth are in syzygy, or linear alignment. Occurring once every full and new moon, syzygy amplifies the gravitational effects on the Earth’s tides, resulting in more extreme tide levels that rises higher as well as fall lower than average.
Conversely, when the Sun and Moon are acting on the Earth at a right angle to each other, a Neap tide occurs. The tidal forces counteract each other, reducing the strength of the average tide due to the opposing gravitational pull. Consequently, high tides are lower, while low tides are higher, compared to the average. While high and low tides are a daily occurrence, Spring and Neap tides occur twice each lunar month, or every 14.76 days.
Spring tides occur when the Earth, Sun, and Moon are in linear alignment; when the Sun and Moon are perpendicular to each other and the Earth, the result is neap tides
Just as the oceans bulge on different sides of the Earth due to the influence of the Moon, tides also vary on a smaller scale from place to place, due to not just to the position of the Moon and tilt of the Earth, but also local factors like the shape of the continents, depth of the oceans and so on.
Consequently, tidal patterns can be classified into three categories. Because it is built to cater to the twice-daily tidal patterns found in most of the world, the Yacht Club Moon & Tide is functional for only one category, semidiurnal, where the two high tides each day are generally equal, and ditto for two low tides. Semidiurnal tides occur on most of the world’s coastlines, but not all.
The tidal indicators on the watch do not function if the high and low tides are respectively unequal, a pattern known as mixed tide. Neither do they apply to the third category of tidal patterns, diurnal, which has only a single high and low tide each day.
As a result, the Yacht Club Moon & Tide will be useful in Europe and the east coast of the United States, but not in the American west coast or Indonesia, for instance.
The tidal function of the Yacht Club Moon & Tide only applies to coastlines in green. Diagram – Michael Pidwirny, University of British Columbia, via Wikipedia
The Portugieser Yacht Club Moon & Tide is unique amongst tide-indicator watches as it combines IWC’s signature double moon phase along with a comprehensive tidal display that shows high and low tides, as well as spring and neap tides.
But style-wise it’s conventional and presented in standard Yacht Club format, which was conceived to be a sportier version of the Portugieser. For that reason, the Yacht Club has a greater wrist presence, not just because of its dimensions but also its muscular design with wide lugs, prominent crown guards, and a pronounced rim on the bezel.
Rendered in pink gold, the watch measures 44.6 mm wide and 14.4 mm high, which is a tad bigger than the already-large Yacht Club Chronograph . Because of it size and weight, the ergonomics are average. It would be far more practical and wearable in titanium or steel instead of pink gold.
The case quality is excellent, as IWC cases almost always are. Though the lines of the case are simple, it is finely finished. And the case is not just heavy, but also extremely solid in construction, as evidenced by the massive case back and the protruding crown guards. That said, the tolerances of crown guards are the one bit of the case that can be improved, as there’s a visible gap between the guards and the case.
Symmetrically and logically arranged, dial takes its cues from the Yacht Club Chronograph (which in turn was inspired by the Portugieser Chronograph ). Despite being superficially similar to the its chronograph cousin, the Yacht Club Moon & Tide is distinguished by the combination of a pink gold case with the blue dial, a first for the Yacht Club line.
Though the dial is relatively simple in style and detail, it is executed well, up to typical IWC standards. All of the elements look good even up close, ranging from the applied hour numerals to the printed markings. Even the tiny screw that screws the scale for the tide indicator is cleanly finished, revealing only barely-there machining marks.
The fairly complex tidal displays have been cleverly streamlined, leaving the dial is clean and easy to read. And the orderly appearance of the dial is helped by its size, which means that the date window doesn’t cut into the three o’clock numeral, though the date does crowd up that side of the dial.
The top sub-dial features a rotating blue disc with two apertures to show the phases of the moon as seen from both the Northern and Southern hemisphere. As with all IWC double moon-phase modules, it has an accuracy of a day in 577.5 years.
And because tides are dependent on the Moon, also integrated into the moon phase is the spring and neap tide indicator. The rim of the blue disc is marked with the periods of spring and neap tides, with a small, red arrow to indicate if the current period is a spring, neap, or ordinary tide.
The tide indicator within the moon phase
The sub-dial at six o’clock has a 12-hour scale with a slowly-rotating disc that indicates the times for high and low tides at the current time. Featuring a red arrow for high tide and a red ring for low tide, the indicator travels at the leisurely pace of one rotation every 14.76 days, or half a lunar month.
The slow rotation of the tidal disc is driven by reduction gears in the tide-display mechanism that convert the motion of the hour pinion, which carries the hour hand makes logically makes two rotations a day. The reduction ratio of the mechanism is substantial, after 12 hours and 24 minutes, which is half a tidal day, the tide disc would have rotated just 24 minutes on the 12-hour scale. But though it moves slowly, the tide indicator is exceptionally precise. According to IWC, it will deviate by 10 minutes after one century.
Conveniently, the tide indicator is independent of the time display so the it can be set via the crown. But setting the tide display also reveals a minor drawback in its 12-hour, rather than a 24-hour, scale. When setting the watch, the only way to tell if it is day or night is the date change at midnight. But aesthetics no doubt justify this, as the tidal sub-dial indicator has larger markings and better legibility than if it were on a 24-hour scale.
The tide indicator on a rotating disc, against a 12-hour scale, which shows high tide at about 3:30 and low tide at around 9:30.
The Yacht Club Moon & Tide is powered by the cal. 82835, made up of the cal. 82110 with the moon and tide module on top. Impressively, even with the added moon and tide displays, the movement has the same 60-hour power reserve as the unencumbered base movement.
Relatively compact but solidly-constructed and robust, the base movement is from IWC’s cal. 82000 family, which is related to the seven-day cal. 52000 and chronograph cal. 89000. The cal. 82000 is smaller than the cal. 52000, but the two share several features, most notably the Pellaton winding mechanism.
Invented by famed IWC watchmaker Albert Pellaton in 1946, the eponymous winding system centres on a heart-shaped cam driven by the winding rotor.
As the rotor turns, the cam oscillates the between two jewelled rollers mounted on a Y-shaped bridge. That causes the bridge to swing back and forth, transferring energy to a pair of attached pawls that push and pull against the teeth of the barrel ratchet wheel, winding the mainspring.
This iteration of the Pellaton system is the very latest, so the automatic wheel, pawls and cam are made of wear-resistant ceramic that needs no lubrication. In contrast, the simpler IWC movements, like the cal. 32000, utilise the “Magic Lever” type of mechanism with push-pull pawls.
The Pellaton winding system (top left) with its ceramic wheel and pawls visible
In addition to the Pellaton winding mechanism, the movement also boasts a free-sprung, adjustable-mass balance, generally considered to be the most sophisticated type of balance wheel. And as with a majority of IWC movements, the balance is attached to an ordinary flat hairspring (only a handful of much-larger movements, such as the 8-day cal. 59000 and the four-day cal. 94000, feature an overcoil hairspring).
The free-sprung balance
Because the movement is relatively fancy for a moderately-sized, simple automatic, it was designed with aesthetics in mind, with the rotor and bridges partially skeletonised to reveal the mechanics. The barrel bridge for instance has two large apertures revealing the barrel, gear train, and of course the Pellaton mechanism.
The finishing of the movement is typical of IWC. Mechanically applied, but sharp and clean, likely sharper and cleaner than peers in the same price bracket. It also incorporates aesthetic details like the “Probus Scafusia” seal on the rotor and again the base plate, along with gold-plated engraving, which give it more colour. As a result, the movement is visually attractive.
The skeletonised rotor with prominent bevelled edges
Tide watches are truly off the beaten path of complications, making them unique in themselves. But the sophistication in design and execution of the Yacht Club Moon & Tide takes it a step further than its peers. The watch only has one real competitor, which is the Corum Admiral AC-One Tides. While the competition is sparse, the Yacht Club Moon & Tide edges ahead as it neatly combines the brand’s trademark moon phase with an all-inclusive tidal display.
The functionality of the Yacht Club Moon & Tide is essentially identical to the Corum Admiral AC-One Tides, but Yacht Club simplifies the tidal displays, making them more digestible for the layman user.
On the other hand, the Corum Tides displays the same information with more granularity, indicating tide levels on a 24-hour scale, and also tide strength on a numeral scale. That is doubtlessly more appealing to the specialist, but is probably too much for a watch enthusiast.
In terms of design, the Yacht Club trumps the Corum Tides, which is a chunky, brightly coloured watch that lacks the refined details of IWC’s wristwatch. And the Corum Tides also falls short in terms of mechanics, since it is powered an ordinary ETA 2892 base movement.
But, and this is important, the Corum Tides is available only in titanium, and is correspondingly affordable, with a price tag of under US$10,000, which is less than a third of the Yacht Club.
Consequently, the IWC is the top choice, but in the extremely rarefied realm of ultra high-end tide watches in precious metal cases. Being an interesting and unusual watch that is executed well, it really should be available in a steel or titanium. Fortunately, it probably will, going by IWC’s past practice.
IWC Portugieser Yacht Club Moon & Tide Ref. IW344001
Diameter: 44.6 mm Height: 14.4 mm Material: Pink gold Water resistance: 60 m
Movement: Cal. 82835 Functions: Time; date; double-hemisphere moon phase; spring and neap tide indicator; and high and low tide display Frequency: 28,800 beats per hour (4 Hz) Power reserve: 60 hours
Strap: Blue rubber strap with textile inlay
Limited edition: No Availability: At boutiques and retailers from November 2020 Price: 35,000 Swiss francs
For more, visit Iwc.com .
Correction April 29, 2020: The cal. 82000 family of movements is in-house, and related to the cal. 52000 and cal. 89000. It is not based on the architecture of the ETA 2892 as stated in an earlier version of the article. Additionally, the water-resistance of the watch is 60 m, and not 30 m.
Addition May 4, 2021: Heuer introduced the Seafarer in 1950.
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$type=slider$au=0$cm=0$snip=0$rm=0$c=5$l=0$sp=6000, iwc - portugieser yacht club moon & tide.
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Brand: | |
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Family: | |
Reference: | |
Name: | Portugieser Yacht Club Moon & Tide Stainless Steel / Black / Bracelet |
Movement: | |
Produced: | 2024 |
Limited: | No |
Material: | Stainless Steel |
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Glass: | Sapphire |
Back: | Open |
Shape: | Round |
Diameter: | 44.60 mm |
Height: | 14.40 mm |
W/R: | 60.00 m |
Color: | Black |
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Finish: | Sunburst |
Indexes: | Arabic Numerals |
Hands: | Feuille |
Iwc iw3440002 description.
The Portugiser Yacht Club Moon & Tide IW3440002 debuted in 2024. This Portugieser has a Stainless Steel case and matching bracelet, paired with a Black dial. It is powered by caliber 82835, a self-winding movement with tide and moonphase indication, and -a first for the brand- a silicon balance spring.
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A complication perfectly suited for the portugieser collection....
The IWC Portugieser was born in 1939 following a request from two Portuguese navigators and businessmen – Rodrigues and Teixeira – who wanted the precision of a marine chronometer in a wristwatch format. No need to say that this iconic IWC collection has strong ties to the nautical world. And to celebrate these roots, IWC is unveiling a new model today with an unprecedented complication that couldn’t be more appropriate: a tide indication. Encased in a sporty and large case, meet the new IWC Portugieser Yacht Club Moon & Tide.
Introduced in 2010, the IWC Portugieser Yacht Club is a sports model in this rather elegant collection, with its nautical, yachting, regatta-ready note. More robust, larger, a bit more rugged and bulky, it has mostly favoured one complication until now, the chronograph – a world timer has also been available in the past. A versatile watch, capable of timing a sailing race but also at ease with a drink at the marina. In addition to the revamped chronograph collection, also introduced as part of the 2020 line-up, the Schaffhausen-based brand is also unveiling a brand new complication, with deep nautical roots: the new Portugieser Yacht Club Moon & Tide.
Visually, there’s not much that changes compared to the rest of the Yacht Club collection. We find the same 44.6mm case, here crafted in 18k rose gold (the only version available for the moment), with crown guards, robust lugs and a thin polished bezel opening on a large dial. In the same vein, the dial retains the classic leaf-shaped Portugieser hands, yet bolder and with lume, the railroad minute track with applied lume plots and signature Arabic numerals. Complementing the nautical look, this IWC Portugieser Yacht Club Moon & Tide is worn on a water-ready blue rubber strap with a sailcloth-like textile insert ( note: the photographed watch here is a prototype and the strap will be slightly different, with an integrated shape between the lugs ).
What changes, however, is the display. Instead of the chronograph, there is now a novel indication, based on two sub-counters, linked to moon phases and tide calculations. A sub-dial at 6 o’clock indicates the expected times for the next high and low tide. The double moon phase display at 12 o’clock (with both hemispheres indicated) has been enhanced to show spring and neap tides and thus provides information about the strength of the current tides. Spring tides, which bring particularly high water, occur at full moon and new moon. Considering the vocation of the IWC Portugieser Yacht Club, it feels like a very appropriate complication!
The dial of this new watch has a blue sunray-brushed base with rose gold contrasting elements for the hands, the indexes and the secondary indications – a classic combination for IWC. Not to obscure the lower sub-dial, the date is positioned at 3 o’clock.
To power this new watch, IWC relies on its 82000-series base movement. The tidal display module is integrated into the novel calibre 82835 and contains just 49 individual parts. The base movement is familiar and boasts 60h of power reserve, features the Pellaton winding system and beats at 4Hz. It is visible through a sapphire display caseback and is finished in a pleasant way, with opened bridges that reveal most of the parts – including the ceramic, wear-free wheels.
The IWC Portugieser Yacht Club Moon & Tide (ref. IW344001) will be priced at CHF 35,000 or EUR 34,900 . More details at iwc.com .
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Combining timeless elegance with ruggedness and high water-resistance, the IWC Schaffhausen Portugieser Yacht Club collection offers extremely versatile nautical sports watches.
Introduced in 2020, the Portugieser Yacht Club Moon & Tide (Ref. 344001) is the first watch from IWC to sport the newly developed tide indication. A subdial at 6 o’clock indicates the expected times for the next high and low tide.
The double moon phase display at 12 o’clock has been enhanced to show spring and neap tides and thus provides information about the strength of the current tides. Spring tides, which bring particularly high water, occur at full moon and new moon.
The module for the double moon phase display and the tide display is driven by the IWC-manufactured 82835 calibre. This robust automatic movement features a Pellaton winding fitted with ceramic components and offers a power reserve of 60 hours. It can be viewed through the transparent sapphire glass back.
Model: iwc portugieser yacht club moon & tide, ref. iw344001.
Functions Perpetual moon phase for the northern and southern hemispheres Display for spring tide or neap tide Tide indicating with the time of the next high or low tide Date display
Movement IWC manufacture calibre 82835 Mechanical movement Frequency: 28,800 vph/4 Hz Jewels: 22 Power reserve: 60 h Winding: Automatic Pellaton automatic winding system
Case, dial and strap 18-carat 5N gold case Glass: Sapphire, convex, antireflective coating on both sides Water-resistant: 3 bar Diameter: 44.6 mm Height: 14.4 mm See-through sapphire glass back Blue dial, gold-plated hands, 18-carat gold appliques Blue rubber strap with textile inlay
The Portugieser Yacht Club Moon & Tide features a tide display that keeps you informed about the next high water. It is possible thanks to a special wheel train that translates the rhythm of the hours into the constantly shifting chronological sequence of high and low water.
The rhythm of the tides is as old as the Earth itself. As the tide ebbs, water retreats from the coast until it reaches low tide. At that point, the sea reverts to a flood tide until it reaches high water. In the Wadden Sea, an area of wetlands between Denmark, Germany and the Netherlands, the constant rhythm of the tides has created a level of biological diversity among the highest on Earth. But ebb and flow are also of vital importance for shipping. When sailing close to the coast, a skipper must keep his eye on tide tables to avoid running aground. This is the reason why the study of tides is an integral part of any nautical training.
The Greek mariner Pytheas recognized the link between this natural phenomenon and the moon as early as the fourth century BCE. It is particularly noticeable at the coasts that the moon visible at high tide is almost at the same place in the sky again at the next but one high tide. In 1609, the German astronomer Johannes Keppler first outlined a theory according to which the moon attracts the water in the oceans and thus causes the tides.
Indeed, the tides are caused by a complex interplay of gravitational and centrifugal forces between the Earth, the moon and the sun. On the side of the Earth facing the moon, the moon’s gravitational pull attracts the water, creating a bulge that causes the tides. But a similar bulge of water also forms on the side of the Earth facing away from the moon. This is caused by the centrifugal forces that arise due to the rotation of the Earth: Rather like the clothes in a spin dryer, the masses of water are pushed outwards by these centrifugal forces.
The Earth rotates on its own axis once every 24 hours and, within that period, moves under the two bulges of high tide and two areas of ebb tide. For human beings, who do not notice the rotation of the Earth, this gives the impression that the water is receding from the coasts and then rising again. But why does high tide occur at a different time each day? During the time it takes the Earth to complete a rotation, the moon progresses a little bit further. So, on Earth it takes 24 hours and 48 minutes for the moon to be in the same position. The time between two high tides, then, is always exactly 12 hours and 24 minutes. If, for example, it is high tide at midnight, the next ones will occur at 12.24 and 0.48, respectively.
The tide display on the Portugieser Yacht Club Moon & Tide now shows the slightly shifting times for high tide on the dial. During the 12 hours and 24 minutes between two high tides, the display rotates by around 24 minutes on the 12-hour scale. The energy required to turn it is channeled by the basic movement’s hour pinion. The challenge facing the designers was to convert the rapid hourly rhythm into the much more leisurely rotation of the tidal disc. A reducing gear comprising three precisely calculated cogs slows the rotation to the point where the tidal disc rotates around its axis once in exactly 14.76 days. The tidal display module is integrated into the 82835 calibre and contains just 49 individual parts.
Because the display rotates continuously, it always shows the approximate time of the next high tide. If the arrow points to 12 o’clock at 10 o’clock in the morning, the next high tide will be a little later than 12 o’clock because, in the next two hours, the tidal disc will also move a little further. On the opposite side you can also read the approximate time for the next low tide.
The exact times for high and low tide depend on the longitude. As a result, the display needs to be calibrated once using the tide tables for a specific location, such as New York, Lisbon or Sydney. According to this, the deviation is theoretically only 10 minutes in 100 years. The display works reliably on all coasts with two equally strong high and low tides per day.
Another special feature of the Portugieser Yacht Club Moon & Tide is the double moon phase display. It has been extended to include a special inscription and also provides information about the strength of the current tides. At full and new moon, the Earth, moon and sun are in a direct line. In this constellation, the tidal forces are cumulative and generate a spring tide – a particularly strong high tide. At half-moon, however, the sun and moon are at right angles to each other. The result of this is a weaker high tide, or “neap tide”. Exactly how high the water rises depends on the geographical location and the exact physical nature of the coast.
While the tidal swell on the open sea is only about 30 centimetres, the sea level during high tide rises by up to 20 metres in the Canadian Bay of Fundy. So, anyone in charge of a boat would be well advised to take a look at the dial of their Portugieser Yacht Club Moon & Tide.
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Elegantly proportioned cases combined with stainless-steel bracelets and rubber or textile straps make the portugieser yacht club an all-round companion.
Since 2010, the Portugieser Yacht Club, an elegant sports watch designed for sailors, has combined timeless elegance with ruggedness and high-level water-resistance. With their filigree bezels and flat casing rings, the new 44-millimetre models have particularly elegant proportions. Ticking away inside is the IWC-manufactured 89361 calibre with flyback function, which combines stopped hours and minutes in a small totalizer at “12 o’clock”. A choice of straps and bracelets make this elegant sports chronograph the perfect companion for use on board, at the beach and on terra firma. The high-quality stainless-steel bracelet, with its polished and satinfinished surfaces, is pleasant to wear. For the first time ever, the watch is also available with a bicolour bracelet in 18-carat 5N gold and stainless steel. In addition, there is a choice of hard-wearing rubber and textile straps.
The Portugieser Yacht Club Moon & Tide represents a technical highlight. For the first time, in this model, IWC presents its newly developed tide indicator. A totalizer at “6 o’clock” shows the times of high and low tide. Positioned at “6 o’clock” is an IWC speciality, the double moon phase display. It has been expanded to show the spring and neap tides and thus provides more information about the strength of current tides.
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The Portugieser Yacht Club Moon & Tide indicates the expected times for the next high and low water on a subdial at "6 o'clock". This is achieved by a reduction wheel train which translates the regular rhythm of the hours into the constantly shifting time sequence of high and low water. The double moon phase display at "12 o'clock" has been ...
The Portugieser Yacht Club Moon & Tide is the first stainless steel model to feature the IWC-developed tide indication. Located at 6 o'clock on the dial, it informs about the expected times for the next high and low tide. Another feature is the Double Moon™ indication at 12 o'clock, which shows the moon phase as seen from the Northern and ...
First things first, with a 44.6mm wide case, the Portugieser Yacht Club Moon & Tide is as large as it is pretty. The Yacht Club line has always done a good job of communicating a blend of both sport and elegance. While the use of a gold case on the Yacht Club Moon & Tide is decidedly foncy, the blue rubber strap does a nice job of striking a ...
The Portugieser Yacht Club Moon & Tide indicates the expected times for the next high and low water on a subdial at "6 o'clock". This is achieved by a reduction wheel train which translates the regular rhythm of the hours into the constantly shifting time sequence of high and low water. The double moon phase display at "12 o'clock" has been ...
The Portugieser Yacht Club Moon & Tide was first introduced in 2020 with the red gold ref. IW344001.This model in stainless steel brings the heft factor down somewhat, while also featuring a better water-resistance rating (100 metres versus the ref. IW344001's 60 metres).
The IWC Portugieser Yacht Club Moon and Tide, reference IW344001, is an interesting amalgamation of elements. Carrying the history of the Portugieser model line, with the sporty sizing of 44mm, strong lug presentation, and crown guards, the piece is simultaneously quite refined in some of its finishing details.
The Yacht Club Fuses Tradition And Technology. The IWC Portugieser Yacht Club Moon and Tide exudes timeless elegance with a 44mm case in 18-karat 5N gold, set with a luxurious blue dial, featuring a sunray-brushed base. The large, 18-karat gold appliques, classic leaf-shaped Portugeiser, hands filled with lume, and the railroad minute track ...
The Portugieser Yacht Club Moon & Tide is debuting in just one variant, but it's close to universally attractive, coming in a red gold case with brilliant blue dial with matching gold-plated hands and indices. At 12 o'clock, you can see the double moon phase display that shows Spring tides (which happen during full and new moons) and neap ...
The Portugieser Yacht Club Moon & Tide shows the slightly shifting time for the next high tide on the dial. During the 12 hours and 24 minutes between two high tides, the display disc will rotate by around 24 minutes on its 12-hour scale. The energy required is channelled from the base movement's hour pinion. A precisely calculated reducing ...
Portugieser Yacht Club Moon And Tide Rose Gold 44mm Boutique Edition IW344001 $ 26,800. Free shipping. US. IWC Portuguese. YACHT CLUB MOON TIDE 44.6 mm rose gold $ 34,439. Excl. shipping. IT. Private Seller. IWC Portuguese. Portugieser Yacht Club Moon & Tide IW3440-01 $ 29,950. Free shipping. US.
This year, IWC brings the emblematic Portugieser collection under the spotlight, introducing several stunning new additions to the collection, including the impressive Eternal Calendar and updates to several iconic models, such as the chronograph and the 7-day Automatic.On the occasion of Watches and Wonders Shanghai, the brand unveils a new version of its Portugieser Yacht Club Moon & Tide.
The flagship of IWC's new Portugieser watches unveiled at Watches & Wonders 2020 is not the most complicated, but it is certainly the most unusual. The Portugieser Yacht Club Moon & Tide is a first for IWC, introducing a brand-new complication to its line-up - a tide indication that tracks the ocean's ebbs and flows.. Initial thoughts. The Yacht Club Moon & Tide is a big, heavy and shiny ...
The IWC Portugieser Yacht Club Moon & Tide Ref. 344001 has a price of Euro 35,600 (including VAT) / US$ $33,100 (excluding taxes). The new Portugieser Yacht Club Moon & Tide is the first watch from IWC to feature the newly developed tide indication. Framed by a 44.6 mm x 14.4 mm case crafted from 18-carat 5N red gold, the blue dial features a ...
The Portugieser Yacht Club Moon & Tide represents a technical highlight. For the first time, in this model, IWC presents its newly developed tide indicator. A totalizer at "6 o'clock" shows the times of high and low tide. Positioned at "12 o'clock" is an IWC speciality, the double moon phase display. It has been expanded to show the ...
The Portugiser Yacht Club Moon & Tide IW3440002 debuted in 2024. This Portugieser has a Stainless Steel case and matching bracelet, paired with a Black dial. It is powered by caliber 82835, a self-winding movement with tide and moonphase indication, and -a first for the brand- a silicon balance spring. Full details and images of the IWC ...
It is visible through a sapphire display caseback and is finished in a pleasant way, with opened bridges that reveal most of the parts - including the ceramic, wear-free wheels. The IWC Portugieser Yacht Club Moon & Tide (ref. IW344001) will be priced at CHF 35,000 or EUR 34,900. More details at iwc.com.
Portugieser Yacht Club Moon-Tide 44.6MM - IW344001 NEW $ 28,600. Free shipping. US. IWC Portuguese. Portugieser Yacht Club Moon Tide IW344001 $ 36,386 + $108 for shipping. UK. IWC Portuguese. YACHT CLUB MOON TIDE 44.6 mm rose gold $ 34,711. Excl. shipping. IT. Private Seller. IWC Portuguese.
Introduced in 2020, the Portugieser Yacht Club Moon & Tide (Ref. 344001) is the first watch from IWC to sport the newly developed tide indication. A subdial at 6 o'clock indicates the expected times for the next high and low tide. The double moon phase display at 12 o'clock has been enhanced to show spring and neap tides and thus provides ...
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The Portugieser Yacht Club Moon & Tide represents a technical highlight. For the first time, in this model, IWC presents its newly developed tide indicator. A totalizer at "6 o'clock" shows the times of high and low tide. Positioned at "6 o'clock" is an IWC speciality, the double moon phase display. It has been expanded to show the ...
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