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Results for Perpetual Calendar

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Perpetual Calendar

The mechanical calendar that knows leap years automatically through 2100.

First Look – Favre Leuba Launches the New 1737 Collection with a Triple Calendar Edition Monochrome
Favre Leuba Launches Apr 18, 2026

First Look – Favre Leuba Launches the New 1737 Collection with a Triple Calendar Edition

The second-oldest name in watchmaking history, Favre Leuba’s origins go back to 1737, when Abraham Favre was recorded as a watchmaker in Le Locle. Following a global relaunch in 2024 under the leadership of CEO Patrik P. Hoffmann, Favre Leuba’s modern revival focuses on precision-driven timepieces that honour the brand’s extensive archives while meeting contemporary […]

Introducing – Christiaan van der Klaauw Venus Zodiac and Venus Annual Calendar Monochrome
Christiaan van der Klaauw Venus Zodiac Apr 17, 2026

Introducing – Christiaan van der Klaauw Venus Zodiac and Venus Annual Calendar

Christiaan van der Klaauw is a renowned Dutch independent watch brand specialising exclusively in astronomical complications, making it the world’s only atelier dedicated solely to handcrafted timepieces inspired by celestial mechanics. Founded in 1974 by master watchmaker Christiaan van der Klaauw, who retired in 2009, the brand is now in the hands of watchmaker Pim […]

Watches & Wonders: the A. Lange & Söhne Saxonia Annual Calendar Returns with a New Case Size and Caliber Worn & Wound
A. Lange & Sohne Apr 14, 2026

Watches & Wonders: the A. Lange & Söhne Saxonia Annual Calendar Returns with a New Case Size and Caliber

A. Lange & Söhne had one of my, and many others’, favorite releases at Watches & Wonders 2025. It wasn’t a super complication and had no bells-and-whistles. Rather, it was simple and small. The 34mm 1815 three-handers in white or rose gold exemplified confident, understated luxury like no other watches at the fair. For 2026, Lange has brought back a watch that had been out of production with a new movement and in a new, smaller size, following suit from last year’s release. Unlike the 1815s, these feature one of the less common complications in the Lange catalog: the annual calendar. The Saxonia Annual Calendar was a very cool watch. It combined its eponymous complication with Lange’s signature outsized date and was powered by a since-retired “Sax-0-Mat” three-quarter-rotor automatic movement. These funky movements were featured in the Langematik watches and represented Lange’s first foray into automatic calibers. In addition to a distinctive look, they featured a hidden complication: zero-reset seconds, meaning that when the crown was pulled out, the seconds hand would jump to zero. In 2011, the Sax-O-Mats began to be replaced by central rotor calibers with up to 72 hours of power reserve, an increase from 46 hours, but the zero-reset seconds disappeared. Though comprising many different calibers, most of Lange’s currently in-production automatics have a central rotor. I am unsure when the previous generation of the Saxonia Annual Calendar went out of pro...

Audemars Piguet’s 150 Heritage is a Universal Cultural Calendar SJX Watches
Audemars Piguet s 150 Heritage Feb 3, 2026

Audemars Piguet’s 150 Heritage is a Universal Cultural Calendar

Audemars Piguet celebrated 150 years of existence in 2025, but its celebrations have continued into the new year with the 150 Heritage Pocket Watch. While many large ultra-complicated pocket watches are exercises in nostalgia, the 150 Heritage is a modern marvel of micro-mechanical engineering with never-before-seen functionality inside a surprisingly compact 50 mm case. Initial thoughts Few brands can match Audemars Piguet’s track record of producing Grand Complication pocket watches, but the 150 Heritage surprises by adapting a calibre originally intended for the wrist. A complicated pocket watch with a simple name, the 150 Heritage is built around the cal. 1150, a newly developed hand-wound movement that adapts the architecture of the ambitious cal. 1000 developed for the Code 11.59 Universelle, and as such it includes past RD-series innovations. That said, the differences between the Universelle and the 150 Heritage are quite significant, thanks to an intriguing new feature: a hinged mechanical calculator, isolated from the movement. The intricate system is housed inside the case back and allows the user to effortlessly cycle through dates across any year to be able to read a surprising number of culturally-relevant dates based on lunar, solar and lunisolar cycles.  The device feels a bit like a time machine, as the lucky owner can go into the past or look into the future and find out the exact dates of Catholic Easter, Ramadan, Equinoxes and many others, along with...

The Haim Annum, a New Annual Calendar, is the Brand’s Most Ambitious Watch Yet Worn & Wound
Seiko made GMT caliber replacing Oct 20, 2025

The Haim Annum, a New Annual Calendar, is the Brand’s Most Ambitious Watch Yet

The Chicago based brand Haim celebrates their five year anniversary this year with what is certainly their most ambitious watch to date, the Annum. When brand founder Zakir Miah showed me an early prototype of the watch months ago at a Windup Watch Fair, I was surprised and impressed that he would even think to attempt making a watch with such a niche complication. It resets the brand in some ways, and will likely force people to consider Haim in a different way.  As surprising as an annual calendar from Haim is, if you pull back far enough, there were signs that Miah wanted to move the brand into a slightly higher end and more refined direction going back a few years. The Legacy Automatic, for example, featured a custom decorated movement by an American company, Maryland Watch Works, and the whole watch was a significant step up in terms of finishing and build quality compared to prior efforts. But the real shift came with the Viajero Worldtimer released last year. This watch featured a rather clever modification of a common Seiko-made GMT caliber, replacing the hand for the second time zone with a cities ring akin to what you’d find on a classic world timer. The old-school “globe” dial was meant to recall the most famous worldtimers from the Jet Age, and while the Viajero doesn’t have nearly the watchmaking complexity of those timepieces, it was able to mimic the style of those watches to an impressive degree when you consider the price tag of $799. The Annum ar...

Introducing – The Kurono Grand Jubilee Calendar Salmon Dial Monochrome
Kurono Tokyo Oct 10, 2025

Introducing – The Kurono Grand Jubilee Calendar Salmon Dial

This year is pretty special for Kurono Tokyo, the more accessible brand created by Japanese independent watchmaker Hajime Asaoka. Indeed, 2025 marks the watchmaker’s 60th anniversary, which the brand is celebrating as its diamond jubilee, resulting in several special edition watches that pay tribute to design features created by Asaoka. Following the highly elegant 2025 […]

Introducing – The Bold New Oris Big Crown Calibre 113 with Business Calendar Monochrome
Citizen s” Sep 4, 2025

Introducing – The Bold New Oris Big Crown Calibre 113 with Business Calendar

Oris has long defined itself as a maker of mechanical watches for “today’s world citizens”, with a clear commitment to function, value, robust engineering, supported by original looks. The new Big Crown Calibre 113 extends that philosophy by combining the brand’s historic pilot’s watch design with one of its most advanced hand-wound movements. Initially introduced […]