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WristBuzz› › Perpetual Calendar Watches
📆 Style · Grand complication · 1,461-day cycle

Perpetual Calendar

The grand-complication calendar. Day, date, month, year, and leap-year cycle, all driven by a 1,461-day mechanical program. Patek 1518, Lange 1815 Perpetual, AP Royal Oak Perpetual, Vacheron Patrimony Perpetual.

1,461 days Cycle length
2100 Next century-skip
Annual Simpler peer
Grand complication Tier
983 Articles
Looking Through The Blinds: A Peek At The Patek Philippe Cubitus Perpetual Calendar Skeleton Ref. 5840P-001

Photo: Fratello · 6 days ago

A perpetual calendar automatically tracks the calendar correctly through all month-length variations (28, 29, 30, 31 days) AND the 4-year leap-year cycle without manual correction. The mechanism uses a 1,461-day program (4 × 365.25) encoded in cams, levers, and toothed wheels. The complication needs manual correction only at century turns that aren't leap years (2100, 2200, 2300); 2000 was a leap year so currently-running perpetuals don't need correction until 1 March 2100. The simpler peer is the annual calendar (handles 30/31-day months but not February).

Perpetual calendar watchmaking dates to the 18th century but the wristwatch perpetual is a 20th-century achievement. The Patek Philippe ref. 1518 (1941) was the first wristwatch perpetual chronograph; only 281 were made over its 13-year production. The 1518's success drove the modern perpetual-chronograph tradition; the Patek ref. 2499, 3970, 5970, and modern 5270 / 5970R are the canonical heritage references at six- and seven-figure auction prices.

The modern perpetual market divides into the heritage-haute tier (Patek 5327, Vacheron Patrimony Perpetual, Lange Langematik Perpetual, AP Royal Oak Perpetual) at CHF 80,000-150,000, and the more-accessible perpetuals from IWC Da Vinci Perpetual, Blancpain Villeret QP, and JLC Master Ultra Thin Perpetual at CHF 25,000-50,000. The AP Royal Oak Perpetual Calendar (ref. 26574) became the most-photographed luxury perpetual of the late 2010s; it trades at multiples of retail.

Mechanical complexity: a perpetual movement adds ~140-180 components over a base time-only movement, requires monthly cam-and-lever programming, and complicates servicing. Setting the watch is the user's biggest concern: most perpetual movements have multiple correctors hidden in the case-band that must be advanced via stylus in a specific sequence; modern IWC Pellaton-pioneered single-pusher correction simplifies this. See: perpetual calendar wiki.

Iconic perpetual calendar watches

Audemars Piguet Royal Oak Perpetual Calendar Ref. 26574. The most-photographed luxury perpetual of the late 2010s. A. Lange & Söhne Lange 1 Perpetual / Datograph Perpetual Saxon haute-horlogerie perpetual tradition.

Related brands

Patek Philippe Audemars Piguet A. Lange & Söhne Vacheron Constantin IWC Blancpain Jaeger-LeCoultre Glashütte Original H. Moser & Cie. De Bethune

From the wiki

Wiki · Guide
Perpetual Calendar (overview)
Wiki · Guide
Annual Calendar
Wiki · Guide
Moonphase

Latest Perpetual Calendar Watches news

983 articles · Page 1 of 41
Looking Through The Blinds: A Peek At The Patek Philippe Cubitus Perpetual Calendar Skeleton Ref. 5840P-001 Fratello
6 days ago

Looking Through The Blinds: A Peek At The Patek Philippe Cubitus Perpetual Calendar Skeleton Ref. 5840P-001

The introduction of the distinctly different-shaped Cubitus collection in October 2024 didn’t go unnoticed. Patek Philippe stated that the Cubitus collection’s mission is “to offer a new reinterpretation of the ‘elegant, sporty’ style” through a design in which the square bezel adopts rounded corners, “blending the square, the circle, and the octagon.” When you look at the basic […] Visit Looking Through The Blinds: A Peek At The Patek Philippe Cubitus Perpetual Calendar Skeleton Ref. 5840P-001 to read the full article.
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IWC Dresses the Big Pilot ProSet IW329603 in Black and Gold for 140 Years of Mercedes-Benz WatchRider
Aug 14, 2026

IWC Dresses the Big Pilot ProSet IW329603 in Black and Gold for 140 Years of Mercedes-Benz

IWC introduced the Big Pilot’s Watch Perpetual Calendar ProSet 140 Years Mercedes-Benz on August 13, 2026. Reference IW329603 is limited to 140 pieces, one for each year since the invention of the automobile in 1886. The anniversary edition combines a 42mm stainless steel case with a black-and-gold dial and IWC’s new ProSet perpetual calendar, which can be corrected both forward and backward. The limited IW329603 combines a 42mm steel case, black dial and gold details. Image: IWC. The dial is the best part I like the design, especially the dial. The glossy black surface gives the four subdials enough visual separation, while the solid gold appliqués and gold-plated hands make the display warmer without making it look gaudy. A white minute track keeps the outer edge clear. The date sits at 3 o’clock, the month at 6, the day at 9 and the Double Moon display at 12. A four-digit year window appears between 7 and 8 o’clock. The angled view shows the solid gold appliqués, gold-plated hands and four calendar subdials. Image: IWC. The brushed and polished steel case is 42mm wide and 14mm thick. It remains a substantial watch, especially on my 6.5-inch wrist, but these dimensions are easier to imagine wearing than the traditional oversized Big Pilot format. A convex sapphire crystal has anti-reflective coating on both sides, while the sapphire caseback carries the first joint Mercedes-Benz logo from 1926, combining the three-pointed star with a laurel wreath. That histori...
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Introducing - IWC Celebrates 140 Years of Mercedes-Benz With A Special Big Pilot Perpetual Calendar Proset Monochrome
Aug 13, 2026

Introducing - IWC Celebrates 140 Years of Mercedes-Benz With A Special Big Pilot Perpetual Calendar Proset

Two companies, at the forefront of mechanical innovation, coming together to mark 140 years of history – that’s what IWC’s latest watch is all about. The brand has a long-standing partnership with Mercedes-Benz, exemplified through not only the Mercedes-Benz AMG PETRONAS Formula 1 Team special editions, but also through the various road-car-themed watches. The new […]
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Seiko’s Edo Purple Collection Adds a Speedtimer to the Astron, Alpinist, Presage and Seiko 5 Sports WatchRider
Aug 6, 2026

Seiko’s Edo Purple Collection Adds a Speedtimer to the Astron, Alpinist, Presage and Seiko 5 Sports

Seiko’s 145th-anniversary Edo Purple collection is not one watch in a new colour. It is five very different watches using the same dark violet palette and gold-coloured details: the Astron HAB011, Alpinist HBC006, Speedtimer HBJ005, Presage HCB006 and Seiko 5 Sports HDB003. All are limited editions scheduled for October 2026. Edo purple, five ways Edo purple is a traditional Japanese colour associated with historic Tokyo, once called Edo. Here, Seiko uses it with more restraint than the name “purple anniversary” might suggest. Dials shift between violet and near-black, while the gold-coloured accents give every model some warmth without making them look like birthday decorations. Astron HAB011: the technical flagship The HAB011J1 is the high-tech member of the Edo Purple collection. Image: Seiko. The HAB011 is the outlier because its 5X83 GPS Solar calibre receives time and time-zone information from satellites. It combines dual time, a 1/20-second chronograph, a perpetual calendar and 38-city world time in a 43.3mm titanium case. The ceramic-and-titanium bezel and dual-curved sapphire crystal help it look properly finished rather than merely busy. It is limited to 2,000 pieces worldwide. Seiko has confirmed Japanese pricing, but no U.S. price yet. The graduated purple dial and ceramic centre bracelet links set the Astron apart. Image: Seiko. Alpinist HBC006: compact and capable The HBC006J brings Edo Purple to the Alpinist’s compact case and leather strap. Image: ...
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The Citizen’s Latest Gets Indigo Washi Paper Dial SJX Watches
Jul 31, 2026

The Citizen’s Latest Gets Indigo Washi Paper Dial

Next month Citizen’s The Citizen collection brings a new look to its exceedingly accurate high-end quartz watches. Still accurate to five seconds a year, or better, with a perpetual calendar and scratch-resistant titanium case, this limited edition introduces an indigo-dyed washi paper dial, produced using traditional craft methods. Initial thoughts Citizen’s The Citizen collection, which celebrated 30 years of questionable naming just last year, remains somewhat obscure even amongst watch enthusiasts. That’s unfortunate, as it has nothing to do with the quality of the watches, which are excellent and often handsome. And while the line now includes mechanical watches, high-end quartz is where The Citizen really shines. No two examples are the same. Though frequently compared to Grand Seiko’s cal. 9F movement family, I would argue The Citizen’s A0 line of solar quartz movements are of a different breed, more comparable to Seiko’s cal. 3X Astron movements or even Casio’s high-end G-Shocks. These share solar charging, a perpetual calendar, and a power-save made that pauses the hands to save energy when the watch is not in use. However, The Citizen’s aesthetic differs widely from those of the Astron and G-Shock, favouring the sharply reserved style that has defined chronometry-focused Japanese watchmaking for decades. The other key difference is autonomy. Unlike Astrons and G-Shocks, which can vary by as much as 15 seconds per month without network synchronisat...
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SJX Podcast: Second-Chance Watches SJX Watches
Jul 31, 2026

SJX Podcast: Second-Chance Watches

The return of the Vacheron Constantin Twin Beat Perpetual Calendar got us thinking about other technically interesting watches that showed promise but never truly found their footing. In episode 47 of the SJX Podcast, SJX and Brandon discuss recent releases from Seiko, IWC, and Swatch before turning to candidates for a second chance, including the Audemars Piguet Jules Audemars AP Escapement, the TAG Heuer Monaco V4, and the elusive Breguet Hommage à Nicolas G. Hayek 7887. Listen now on Apple Podcasts, Spotify, and YouTube.  
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Reference Points: The Patek Philippe Split-Seconds Wristwatch Hodinkee
Jul 23, 2026

Reference Points: The Patek Philippe Split-Seconds Wristwatch

You could make the argument that, among all brands, models, and complications, the Patek Philippe split-seconds wristwatch is one of the most overlooked, underappreciated, and least understood in any catalog. "That's because no one ever sees them," said Ben, when I made that very argument in the office recently. True. It's hard to call a watch underappreciated when the entry point for buying one is in the low six figures. But let me explain. The Patek Philippe ref. 5373. Think about this: the first chronograph wristwatch Patek ever made was a split-seconds. The first. Oh, and it was the first made by any brand. And while people are clamoring for perpetual calendar references like the 2497, 3448, and 3940, Patek has made at least 44 different perpetual calendar wristwatch models over the years (not counting different case materials, gems, or the 3971). How many serially-produced split-seconds references? Well, about 12 or 13, depending on how you count them.  It wasn't until recently that the reference 5004—the first modern serially produced perpetual calendar split-second watch from Patek—began to receive its due at auction, and it finally broke a 13-year-old record for the reference. A 1436, the first serially produced rattrapante, can still be had for less than an F.P. Journe Chronomètre Bleu. That, frankly, is ridiculous. They're rare birds, and it's all the more impressive that we have nine of them on the table today, all from the same owner. The Patek Philippe r...
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Hands On: Rolex Submariner Date Desk Clock Ref. 909010LN SJX Watches
Jul 23, 2026

Hands On: Rolex Submariner Date Desk Clock Ref. 909010LN

Late last year, Rolex unveiled its accessories line, comprised of a range of cufflinks and the Submariner Date Desk Clock ref. 909010LN. In the typical Rolex fashion, the new accessories are conservatively styled; the desk clock is essentially a Submariner face enlarged to 80 mm. But in typical Rolex fashion, the clock is impressively made. The Submariner desk clock is an impressive piece of desk-bound timekeeping. Execution is top class with flawless fit and finish, while the mechanics (or more accurately, electronics) are advanced: the quartz movement incorporates a 400-year perpetual calendar, and surprisingly, decorative finishing. Initial thoughts The Submariner desk clock is an impressive object, sizeable, heavy, and clearly well made. It has to be seen – and held – in person to understand the quality of make. Elements like the brushed steel case (that’s ironically not water resistant), engraved bezel insert, and decorated movement speak to the precision manufacturing and finishing. This clock is a beautifully-made industrial creation. That said, the design is a boring. It’s basically a Submariner face blown up to 80 mm. Fans of the design will be pleased as Rolex did replicate the details of the wristwatch artfully, right down to the engraved flange around the dial and tiny crown within “Swiss made”. Fortunately, the insides of the clock are more advanced than the design. The cal. 8335 displays the time and date, but the date is actually a secular calend...
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Hands-On: The Haim Watch Co. Annum Hodinkee
Jul 22, 2026

Hands-On: The Haim Watch Co. Annum

Haim Watch Company, a Chicago-based microbrand, marked its fifth anniversary in 2025 by introducing an intriguing new timepiece called the Annum. I first saw the watch last fall at the WindUp Watch Fair in New York City, where the brand's founder, M. Zakir Miah, brought along a prototype that immediately caught my attention. Visitors at the event received a sneak peek of the Annum alongside previous creations like the Viajero worldtimer, a model I reviewed last year. Since that initial preview, the Annum has undergone a bit of an evolution, including a subtly redesigned case and a few small tweaks to the dial. In its final iteration, the Annum offers a compelling complete calendar watch that punches well above its weight and continues what Haim Watch Company has achieved with its Viajero: creative, supremely wearable takes on complications that stand out the price point. The Annum comes in three dial variations. "Dark Cobalt" and "Stone White" are solid-colored dials with a sunken-in CNC guilloché center section and applied hour markers on the grained outer dial ring. But when it was time to pick which variant I'd spend some time with for this hands-on, it was the semi-transparent "Fumée" dial that I wanted to see, and it wasn't even close. From afar, the Fumée iteration reminds me of the dials of great skeletonized perpetual calendars of old, thanks to the display of the module underneath the smoked PVC (plastic) dial. On this dial, the subdial rings and minutes track ...
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Hands-on - The Patek Philippe Annual Calendar 5396R-016, Celebrating 30 Years of an Ingenious Complication Monochrome
Jul 21, 2026

Hands-on - The Patek Philippe Annual Calendar 5396R-016, Celebrating 30 Years of an Ingenious Complication

Introduced in 1996 with the reference 5035, Patek Philippe’s Annual Calendar was neither a simplified perpetual calendar nor an upgraded complete calendar, but an entirely new mechanism protected by a patent; we explained the full story of its creation and evolution in this article here. By automatically distinguishing between months with 30 and 31 days, […]
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In-Depth: IWC’s Pioneering ProSet Perpetual Calendar SJX Watches
Jul 21, 2026

In-Depth: IWC’s Pioneering ProSet Perpetual Calendar

IWC’s history is dotted with landmark innovations such as Albert Pellaton’s pawl winding system, Kurt Klaus’ famous perpetual calendar, and Richard Habring’s split-seconds chronograph module; the ProSet perpetual calendar system continues this legacy. This bidirectional perpetual calendar module made its debut earlier this year at Watches & Wonders inside the Big Pilot’s Watch Perpetual Calendar ProSet, and remains true to IWC’s identity as an engineer’s manufacture. A smaller Big Pilot QP The Big Pilot ProSet unveiled at Watches & Wonders blends the manufacture’s latest engineering feat with the beloved styling of the pilot’s watch. The ProSet system is currently only available inside the 42 mm Big Pilot. Powered by a downsized base calibre, the 42 mm ProSet is the first Big Pilot under 46 mm to include a perpetual calendar. IWC has a tweaked and scaled down the its signature Kurt Klaus module in the past for the 42 mm Portugieser and some Portofinos, but somehow it never made into the reduced Big Pilot collection. Unfortunately, these smaller watches lacked the now-iconic digital year display, and instead featured a subtler (but more forgettable) leap cycle aperture. The ProSet brings back the four-digit year display, making this watch almost indistinguishable from the original 46 mm version. Apart from some styling choices, the main difference in the displays is the lack of a power reserve indicator. The cal. 82665 inside is powered by a single mains...
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In-Depth: IWC’s ProSet Perpetual Calendar SJX Watches
Jul 21, 2026

In-Depth: IWC’s ProSet Perpetual Calendar

IWC’s history was dotted with landmark innovations such as Albert Pellaton’s pawl winding system, Kurt Klaus’ famous perpetual calendar, and Richard Habring’s split-seconds chronograph module. Though IWC has arguably been thin on such innovation in recent years, the ProSet perpetual calendar is a long overdue return to form. The calendar’s clever features make it true to IWC’s identity as an engineer’s manufacture. Set entirely via the crown just like the Kurt Klaus calendar, ProSet can also be adjusted forwards and backwards, making it both idiot-proof and convenient. A smaller Big Pilot This bidirectional perpetual calendar module made its debut earlier this year at Watches & Wonders inside the Big Pilot’s Watch Perpetual Calendar ProSet, which blends the manufacture’s latest engineering feat with the beloved styling of the pilot’s watch. The ProSet system is currently only available inside the 42 mm Big Pilot. Powered by a downsized base calibre, the 42 mm ProSet is the first Big Pilot under 46 mm to include a perpetual calendar. IWC has a tweaked and scaled down the its signature Kurt Klaus module in the past for the 42 mm Portugieser and some Portofinos, but somehow it never made into the reduced Big Pilot collection. Unfortunately, these smaller watches lacked the now-iconic digital year display, and instead featured a subtler (but more forgettable) leap cycle aperture. The ProSet brings back the four-digit year display, making this watch almost ...
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Hands-On: The Vacheron Constantin 'Twin Beat' Perpetual Calendar Returns Hodinkee
Jul 20, 2026

Hands-On: The Vacheron Constantin 'Twin Beat' Perpetual Calendar Returns

When Vacheron Constantin announced the original Twin-Beat at SIHH in 2019, I wasn't in the watch space in the same way I am now. I was also focused on a much different price point—the one I shop in, not the one that I've since become fascinated by. So I missed it. A lot of people did, it seems. I don't think this watch, as interesting as it is/was as a first release, was made in particularly large numbers, and for over a year, I heard rumblings about the eventual return of the Twin-Beat. Well, it's here. It's improved. And yes, in the metal, it's both entertaining and impressive. But what is it? Essentially, the watch leverages two balances that beat at different rates to provide either 4 days of power reserve running at 5Hz or 70 days in standby mode at 1.2Hz. Oh, and it's a perpetual calendar as well. We covered the technical aspects back in 2019, so this will focus more on the watch as a revived model. The technical is the key here, but the form factor is impressive as well. A perpetual calendar, with dual balances, measuring 42mm and 12.3mm thick, it's hefty because of the platinum case, but it wears quite well despite the technicality. Vacheron has a tendency to make some impressively complicated watches and, unfortunately, make them quite large in the process. This would never have been a problem in the old days (especially for brands like Patek, which dominated this high-end, integrated complication space), but then again, the specifications of the old days don't ...
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Hands On: A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen” SJX Watches
Jul 16, 2026

Hands On: A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen”

A. Lange & Söhne’s flagship launch for the year, so far, is the Lange 1 Tourbillon Perpetual Calendar “Lumen”. It follows a familiar template, applying the desirable “Lumen” treatment to a complicated, top-of-the-line model. But unlike earlier Lumen editions, the Lange 1 Tourbillon Perpetual Calendar is more than a mere cosmetic makeover. The unique calendar display requires a more complex dial construction, and the movement has been reworked for visual impact. Even though the concept is predictable – and predictably pricey – the Lange 1 Tourbillon Perpetual Calendar “Lumen” is unexpectedly appealing. Initial thoughts This is stating the obvious, but the Lange 1 Tourbillon Perpetual Calendar “Lumen” is clearly the most appealing iteration of the most complicated Lange 1. Visually it is more striking in both light and darkness, with the new look also adding to the intricacy of the dial construction. And because Lange doesn’t do things in half measures when it comes to movements, the L225.1 inside this has been reworked by some margin to solve one of the shortcomings of the original model, a tourbillon that was barely visible. The original Lange 1 Tourbillon Perpetual Calendar was and still is the most complicated version of Lange’s iconic watch design. All perpetual calendar indicators were cleverly incorporated in the Lange 1’s distinctive yet sensible layout. Add to that a tourbillon visible only on the back meant there was a lot going on ins...
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In-Depth - The Urban Jürgensen UJ-1 Tourbillon, a Pocket Watch Masterpiece Reborn for the Wrist Monochrome
Jul 10, 2026

In-Depth - The Urban Jürgensen UJ-1 Tourbillon, a Pocket Watch Masterpiece Reborn for the Wrist

When Urban Jürgensen returned in 2025 under the co-direction of Kari Voutilainen and Alex Rosenfield, three watches formed the inaugural collection. The UJ-2 introduced a time-only calibre with a double-wheel natural escapement; the UJ-3, an integrated perpetual calendar; while the UJ-1 Tourbillon 250th Anniversary Watch was meant to be the technical masterpiece for the return […]
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Photo Report: Watch Spotting At The Hodinkee Happy Hour [June 2026] Hodinkee
Jul 7, 2026

Photo Report: Watch Spotting At The Hodinkee Happy Hour [June 2026]

The third time is the charm, as we recently hosted the third edition of what's quickly becoming a regular fixture on the calendar—Hodinkee Happy Hour. Grotta, our local watering hole, was the venue this time around, and the room delivered the same energy as always. Great conversations, great company, and no shortage of great watches to look at—a few of which you'll see below. If you made it out, thank you for coming. If not, we'll be doing it again at the end of July. Follow us on Instagram to be the first to know when RSVPs open.  Blancpain Léman Perpetual Calendar Flyback Chronograph A Cartier Tank Basculante in it's natural form... ... and in motion. Alex Chou wearing his A. Lange & Söhne Lange 1. Katie Penner, of Watches of Switzerland, and Hodinkee Video Editor Max Rosen. A trio of Ressence. A look at a F.P. Journe Chronomètre Souverain (on bracelet, no less) from the front... ... and the back. Vertex M36 Desert Edition. A little two-tone love for the Zenith Chronomaster Sport... And Rolex Datejust. Rolex Submariner. Rolex Cosmograph "Alcaraz" Daytona on an Oysterflex bracelet. Vacheron Contantin 333. A Swiss "Chronographe Suisse" Chonograph... (Swiss, chronograph, Swiss, chronograph, swiss...) Omega Seamaster De Ville and a good ol' pie-pan Omega Seamaster. Panerai Luminor Marina. Right, Editor-in-Chief James Stacey is wearing his DWC Terra. Urwerk UR-120.
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First Look - The New IWC Portugieser Yacht Club Perpetual Calendar 42 Monochrome
Jul 2, 2026

First Look - The New IWC Portugieser Yacht Club Perpetual Calendar 42

Ever since Kurt Klaus developed his ingenious perpetual calendar mechanism in the early 1980s, the Schaffhausen-based manufacture has made one of watchmaking’s most sophisticated complications surprisingly easy to live with. Yet despite appearing across several generations of Portugieser, the perpetual calendar had never found its way into the collection’s sportiest member. Perhaps for a reason, […]
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Introducing: Split Watches Comes To The U.S. With Its New GMT (Live Pics) Hodinkee
Jun 30, 2026

Introducing: Split Watches Comes To The U.S. With Its New GMT (Live Pics)

What We Know If you haven't heard of the brand Split before, you're likely not alone. The brand has not previously been distributed in the U.S., but it came to my attention when their chronograph, called "In The Skies," launched with a fully luminous case made from a proprietary ceramic-and-polymer fusion called Ceramod+. At $2,053, it was an interesting and fun novelty, and cheaper than the IWC Ceralume Perpetual Calendar (though a vastly different proposition, to be fair). Now that material, sans lumen, is coming to the United States with a new, relatively affordable GMT. But the watches are only a small part of the story for Split. The brand was co-founded by Edward Margulies, the third generation of a prominent family of UK-based Swiss watch distributors. His father, Marcus Margulies, might be known to some as the collector behind one of the most impressive collections of Audemars Piguet watches in history, which formed the basis for much of the AP museum. Edward moved to Switzerland at the age of 19 to train to follow in his footsteps.  While the press release talks about how he spent his life putting on a smile to hide a frown caused by burying trauma for years, his interview in the New York Times reveals something deeper. The reality is that, after decades of struggling with his mental health and taking traditional paths of therapy and antidepressants, his physical health had deteriorated, and he was prescribed fentanyl. "Next thing I know," he said to the New York...
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Hands-On With A. Lange & Sohne’s 1815 Rattrapante Perpetual Calendar Pink Gold WatchAdvice
Jun 29, 2026

Hands-On With A. Lange & Sohne’s 1815 Rattrapante Perpetual Calendar Pink Gold

A. Lange & Söhne’s 1815 Rattrapante Perpetual Calendar brings together high complications, vintage-inspired design and a stunning pink-gold dial in one deeply romantic expression of haute horlogerie! What We Love Traditional pocket watch inspired vintage case design Pink gold dial suits this model perfectly and captures it in the best light Two romantic high-complications of rattrapante and perpetual calendar are showcased beautifully What We Don’t No lume for low-light legibility The case thickness may be large for some This classic pocket-watch inspired design may not be practical for daily wear Overall Rating: 9.4 / 10 Value for Money: 9.5/10 Wearability: 9/10 Design: 9.5/10 Build Quality: 9.5/10 The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar is one of those timepieces that immediately reminds you why the Saxon manufacture is held in such high regard. It brings together so much of what makes German watchmaking special, but does so in a way that leaves you genuinely in awe. I recently did a video on this watch, sharing my thoughts on what makes it so special, and my opinion still has not changed: this is easily one of my top three favourite models from the brand. But enough of me drooling over it, let’s get into what makes this timepiece so remarkable. The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar was first introduced in 2013 as a milestone in Lange’s modern chronograph history. As the name suggests, the timepiece brings together a rat...
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The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar Returns With A 70-Day Power Reserve Fratello
Jun 27, 2026

The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar Returns With A 70-Day Power Reserve

Vacheron Constantin continues its quest to revolutionize the perpetual calendar complication with the 2026-upgraded Traditionnelle Twin Beat Perpetual Calendar. The revolutionary aspect here lies in its power reserve, which can last up to 70 days. This is not a novelty but a continuation of the efforts made for the 2019 GPHG Innovation Prize winner, which […] Visit The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar Returns With A 70-Day Power Reserve to read the full article.
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Comments 1

  1. Anonymous
    the 1461-day cycle is wild. perpetual calendars are the reason mechanical watches still matter.

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