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Patek's 1996 invention; handles 30- and 31-day months but needs one manual correction per year.
41 mm × 14.9 mm, lug 20 mm, Cal. 8922
40.5 mm × 11.3 mm, lug integrated, Cal. 324 S QA LU 24H
42 mm × 12.3 mm, lug 22 mm, Cal. CH 28-520 QA 24H
Time+Tide
It's been a great run.The post The Audemars Piguet Royal Oak Perpetual Calendar Openworked 150th Anniversary says goodbye to the Calibre 5135 appeared first on Time+Tide Watches.
SJX Watches
Audemars Piguet kicks off its 150th anniversary in a big way with an all-new perpetual calendar movement, the Audemars Piguet Calibre 7138. Making its debut in both the Code 11.59 and Royal Oak, the cal. 7138 is a landmark in traditional perpetual calendars. In fact, the movement is perhaps the most sophisticated and user-friendly perpetual calendar from an establishment brand. The calendar relies on the classic “grand lever” mechanism that’s been reinvented in an ultra-thin manner, but more importantly, the cal. 7138 employs an ingenious and innovative setting mechanism. Consequently, it is impressively intuitive and also foolproof. All the calendar indications are set via the crown, and the movement can’t be broken by setting it at the wrong time. Together, these features mark the cal. 7138 out as one of the most notable perpetual calendar movements on the market today. The cal. 7138 debuts in the Code 11.59 (left) and Royal Oak. Image – Audemars Piguet Initial thoughts The perpetual calendar has long been a key part of the history of Audemars Piguet (AP), especially after the bestselling ref. 5548 was launched in 1978. So a brand-new perpetual calendar for its 150th anniversary is fitting. At the same time, the calibre illustrates AP’s tremendous advances as a vertically integrated, industrial-haute horlogerie manufacture that has developed an splendid stable of in-house calibres in a relatively short period of time. The irony is that the cal. 7138 is almost...
Fratello
The IWC Da Vinci Perpetual Calendar IW3750 from 1985 is an important watch for IWC and the entire Haute Horlogerie universe post-Quartz Crisis. Master watchmaker Kurt Klaus built a perpetual calendar mechanism on top of an automatic chronograph, which reignited interest in complicated horology and made people look at IWC differently. The innovative watch brought […] Visit There Is Nothing Left To Reintroduce, Or Is There? What About The IWC Da Vinci Perpetual Calendar IW3750 From 1985? to read the full article.
Quill & Pad
Twelve years ago, Blancpain surprised the watch world by introducing a watch in their Villeret collection that featured a traditional Chinese calendar. For 2024, Blanpain releases a limited edition in red gold with oven-fired green enamel dial.
SJX Watches
To mark the Chinese New Year that begins on January 29, 2025, Blancpain has unveiled the Villeret Traditional Chinese Calendar “Year of the Snake”. For the first time, the brand combines a platinum case with a green grand feu enamel dial on its wristwatch that has the unusual complication of a Chinese lunisolar calendar. As with previous editions, the Villeret Chinese Calendar displays the symbol of the Chinese Zodiac in a small aperture located at noon, in addition to featuring a snake motif engraved on its frosted white gold rotor. Initial thoughts The ability of a perpetual calendar to accurately track months, dates, and days for decades, mechanically and without any manual adjustments, remains impressive even as the complication has become common. Watches with a traditional Chinese calendar, however, remain rare and arguably more impressive. Only a handful of brands have incorporated the traditional Chinese calendar into a wristwatch, with Blancpain being one of the earliest to do so, way back in 2012 ( and more recently H. Moser & Cie. has done the same). Admittedly, the latest edition of the Villeret Traditional Chinese Calendar introduces little new beyond the platinum case paired with a green enamel dial. Both the design and movement remain the same. While not intrinsically novel, the new version of the Traditional Chinese Calendar remains an interesting complication, with the new livery being appealing in itself. Year of the serpent The snake zodiac edition is...
Fratello
Last month, the IWC Portugieser Eternal Calendar won the famed “Aiguille d’Or” Grand Prix at 2024’s GPHG. Because of its innovative complication, it’s a watch worth revisiting. However, you can also visit this timepiece in person at the new Amsterdam IWC boutique. We briefly looked at the IWC Portugieser Eternal Calendar after it debuted at […] Visit The IWC Portugieser Eternal Calendar - GPHG 2024’s “Aiguille D’Or” Grand Prix Winner to read the full article.
Monochrome
Blancpain’s longstanding tradition of calendar complications stood it in good stead when it approached the complexities of fusing elements from Chinese and Gregorian calendars to produce the Villeret Traditional Chinese Calendar in 2012. Celebrating the Chinese New Year that kicks off on January 29, 2025, the latest Villeret welcomes the Year of the Wood Snake. […]
Hodinkee
The GPHG picked the hyper-accurate secular perpetual calendar (one of the world's rarest complications) as the best watch of the year, while I was originally less than glowing. With an open mind, I take a second look.
SJX Watches
Audemars Piguet (AP) debuts an entirely new look for its thinnest-ever perpetual with the Royal Oak Perpetual Calendar Ultra-Thin Greater China. Crafted entirely in yellow gold in a first for the model, the limited edition even sports a gilded dial with matching yellow gold moon disc. Initial thoughts The Royal Oak is inarguably the face of AP. And amongst Royal Oak models, the ultra-thin perpetual calendar stands out for its technical sophistication. Derived from the Royal Oak RD#2 concept watch, the Perpetual Calendar Ultra-Thin has a cleverly engineered movement that spreads out the calendar mechanism to minimise its height. That results in a slim case that enhances the proportions of the Royal Oak design. The signature starry moon phase features yellow gold-toned moons The Greater China edition is a major departure from the grey and blue tones of the prior two versions. It’s loud and definitely not for everyone, but it does look good. At the same time, it also references vintage Royal Oak perpetual calendar models that featured similar all-gold livery. Though the price is only on request, the Perpetual Calendar Ultra-Thin mode in general is pricey, arguably more expensive than it should be in fact, but it looks and feels great on the wrist. Yellow moons Crafted from 18k yellow gold, the ultra-thin yellow gold case is 41 mm in diameter and 6.2 mm in thickness. Water resistant to only 20 m due to its thinness, the case is finished in traditional Royal Oak style, wit...
Fratello
Panerai’s first-ever watch prototype was released on October 24th, 1935, and it was called Radiomir. The watch will turn 90 next year, but the excitement must be too big to control at the brand’s headquarters because the Panerai Radiomir Perpetual Calendar GMT Goldtech PAM01453 you see here is a celebratory model. It is a complicated […] Visit From Prototype To Perpetual Calendar: The Panerai Radiomir Perpetual Calendar GMT Goldtech PAM01453 to read the full article.
WatchAdvice
With major wrist presence and even more cool factor, we’ve gone hands-on with the 140th Anniversary Breitling Super Chronomat Perpetual Calendar! What We Love: The rose gold and black colour combination looks great The skeleton dial gives depth and character to the piece The Rouleaux-style rubber strap is comfortable and so easy to wear. What We Don’t: The onion crown can be a little finicky to unscrew/screw It won’t fit or suit all wrist sizes being 44mm The dial can appear busy at first glance Overall Rating: 8.625/10 Value for Money: 9/10 Wearability: 8/10 Design: 9/10 Build Quality: 8.5/10 As you may well have heard, this year marks the 140th Anniversary of Breitling. It’s a big birthday for the brand, now headed up by Georges Kern, who in recent years has gone back through the history of Breitling and helped to re-define the brand. With new models that harken back to its past, and the vision that Leon Breitling had all the way back in 1884, through to when his son, Gaston took over the business and launched their patented chronograph in 1932, to the days of the icons under Willy Breitling, it’s no wonder there is such a large and illustrious back catalogue to take inspiration from! So celebrate its 140th Anniversary, Breitling released three perpetual calendars, at Geneva Watch Days 2024 – A Premier, Navitimer and Super Chronomat. According to Georges Kern, they couldn’t do justice to the 140 years of history with just one watch, so they went with th...
SJX Watches
Panerai raised some eyebrows when it installed the newly developed perpetual calendar movement in the beefy Luminor. Now the brand brings the complication to its more elegant, but still oversized, wristwatch with the Radiomir Perpetual Calendar GMT Goldtech PAM01453. Initial thoughts The Radiomir collection has always been Panerai’s most elegant offering, with some older models even being dress watches, albeit in Panerai style. The slimmer cushion-shaped case, wire lugs, and onion crown evoke the early wristwatches. Compared to the bulkier Luminor, the Radiomir is more adaptable in terms of design and complications, and consequently sometimes departs from the brand’s signature military look. A complication such as a perpetual calendar tends to fit better in more classical designs. For that reason, the perpetual calendar didn’t feel at home in the Luminor format. Bringing the perpetual calendar to the Radiomir seems like the sensible thing to do. The PAM01453 is handsome, especially with a case in Goldtech, Panerai’s proprietary rose gold alloy of platinum and copper that the brand claims to have superior durability. Though more elegant, the PAM01453 is still a rather large watch in typical Panerai style and measures 45mm across. The slim lugs and the leather strap should increase wearability to some extent, but the piece remains imposing. The P.4100 The PAM01453 celebrates in part the first Panerai watch prototype that was developed in 1935, a timepiece that was ...
Fratello
Today, we’ll examine the Breitling Navitimer Perpetual Calendar 140th Anniversary limited edition. This is the third hands-on review of these special celebration models. The Navitimer is arguably the most famous Breitling chronograph, meaning this piece had better be good! Thus far, we’ve gone hands-on with the Super Chronomat and Premier Datora Perpetual Calendar 140th Anniversary […] Visit Hands-On: The Breitling Navitimer Perpetual Calendar 140th Anniversary to read the full article.
Fratello
The Breitling Premier Datora Perpetual Calendar 140th Anniversary is the dressiest release from the trio of red gold beauties. Its inky black dial and traditional case design make it a beauty that can be worn in various situations. Today, we’ll look at this complicated chronograph in more detail. I remember when the Premier returned in […] Visit Hands-On: The Breitling Premier Datora Perpetual Calendar 140th Anniversary to read the full article.
Fratello
Aside from making complicated wonders, Glashütte Original has a Vintage Collection that takes inspiration from former models. The Sixties references have consistently been some of my favorites since launching in 2015. During this lengthy production period, the German watchmaker has produced several limited-series models with gorgeous dials. The Sixties Chronograph Annual Edition we’ll review today […] Visit Hands-On: The Glashütte Original Sixties Chronograph Annual Edition to read the full article.
Fratello
The 140th anniversary of Breitling has brought with it three stupendous watches. Navitimer, Premier, and Super Chronomat Perpetual Calendar pieces in red gold celebrate the milestone. We’ve managed to get our hands on each of them, so look forward to in-depth reviews of all three. Today, we start with the largest of the bunch, the […] Visit Hands-On: The Breitling Super Chronomat Perpetual Calendar 140th Anniversary to read the full article.
Hodinkee
The Zenith Chronomaster Original Triple Calendar LImited Edition For Hodinkee honors the legacy of the El Primero and the incredible accuracy of the Chronomaster Original. A limited run of 200 pieces has been produced worldwide.
Quill & Pad
One of the best parts of the Patek Philippe 5270P Perpetual Calendar Chronograph is a caseback spectacle. Watch carefully, and the chronograph minutes jumper displays action that corresponds to the dial-side instant jumping chrono minute
Fratello
Today, we’ll go hands-on with two lovely Glashütte Original references from the Senator Excellence series. The first is a stainless steel Perpetual Calendar, and the second is a red gold model with moonphase and date complications. Both share elegant designs and legible dials. Only two weeks ago, I had the opportunity to review the Glashütte […] Visit Hands-On: The Glashütte Original Senator Excellence Perpetual Calendar And Panorama Date Moon Phase to read the full article.
Fratello
Let’s do a little test. I want to know how you react to the following types of watches. Are you ready? Here we go - dive watches with tourbillons and pilot’s watches with perpetual calendars. Do you start to feel a tad uncomfortable? Did your left eye twitch a little? It’s a “yes” for me […] Visit Nothing Makes Sense This Monday, And The Jaeger-LeCoultre Polaris Perpetual Calendar In Pink Gold And Green Is To Blame to read the full article.
Quill & Pad
Patek Philippe surprised Joshua Munchow with the 2019 launch of the Weekly Calendar, a new dress watch in stainless steel and the brand's first steel-encased production model since the 1970s. The 5212A Calatrava Weekly Calendar is a mix of modern technology, classic style, and a couple of unique touches that help it stand out from Patek Philippe’s typical offerings, making it one of his favorite watches from the Genevan giant in quite a while.
Deployant
Another novelty to celebrate Sincere's platinum jubilee. This time from H. Moser with their new Pioneer Perpetual Calendar Concept.
Deployant
IWC presents the Portugieser Eternal Calendar, featuring a secular calendar and the world's most accurate moon phase indicator.
Time+Tide
Zach explains why, in his latest watch trade, he gave up his Rolex Explorer 1016 and Lange 1815 Up/Down for a Breguet perpetual calendar.The post I gave up my prized Rolex and Lange for this gorgeous Breguet Classique Perpetual Calendar 3057 appeared first on Time+Tide Watches.
Fratello
The big news from Patek Philippe at this year’s Watches and Wonders came in “denim.” The pale blue dials and denim-look straps certainly drew the most attention. I would argue, however, that another watch deserves a bit more of a spotlight. Join me for a closer look at the Patek Philippe 5236P-010 in-line perpetual calendar […] Visit Hands-On With The New Salmon-Dial Patek Philippe 5236P In-Line Perpetual Calendar to read the full article.
Hodinkee
Nearly 40 years of perpetual calendar development at IWC has lead to one massive achievement from the folks in Schaffhausen.
Two Broke Watch Snobs
A quick introduction to the highly-technical IWC Portugieser Eternal Calendar with a moon phase complication accurate to 45 million years.
Monochrome
In 2021, Patek Philippe unveiled the Perpetual Calendar 5236P, a timepiece that stood out with its patented in-line display, ensuring exceptional legibility – we explored this remarkable addition to the Grand Complications collection in detail. The latest version retains the essence of its predecessor while showcasing a stunning salmon-coloured dial. This iteration of the watch […]
Fratello
One part inside your watch makes one complete rotation every 400 years. Let that sink in. This is the case with the new IWC Portugieser Eternal Calendar ref. IW505701. The calendar will run flawlessly until the year 3999. A regular perpetual calendar would need three corrections (in 2100, 2200, and 2300). Only those centurial years […] Visit Hot Take: IWC Portugieser Eternal Calendar to read the full article.
SJX Watches
Perhaps the complication most associated with IWC, the perpetual calendar with its distinctive four-digit year display was introduced in 1985 in the Da Vinci. Today IWC takes the “perpetual” concept to its maximum with the Portugieser Eternal Calendar that boasts a supercharged perpetual calendar, otherwise known as a secular calendar, requiring no adjustment for a thousand years. In addition, it is equipped with a moon phase of unprecedented accuracy – a day in 45 million years. Initial thoughts Even though it appears similar to the standard Portugieser Perpetual Calendar – though it is slightly thicker and wider – the Eternal Calendar is an appealing and note-worthy proposition in terms of its technical merits. The rare complication, however, comes at preposterously steep price. Discreetly dressed in the classic Portugieser case, but the Eternal Calendar reveals a modern twist in the form of the glass dial that shows off the calendar works underneath. To accomplish that, the movement employs a sapphire bridge in the calendar module, marking the first time IWC is using the material as a structural element in a calibre. The extensive use of sapphire hints at the impressive technicality of the movement, giving a sense of tangibility to the mechanics within. And the mechanics are certainly worth admiring. An “eternal” or secular calendar complication is appealing, for both the mechanical inclined and even the plain romantic who wants something that will go on...
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