Perpetual Calendar

Glashütte Original Releases New Senator Excellence Perpetual Calendar and Panorama Date Moon Phase Executions

First introduced in 2016, the Senator Excellence line represents Glashütte Original’s pinnacle of fine watchmaking. At its core ticks the genuine Caliber 36, a movement family engineered for everyday use and durability. Operating at 4 hertz and utilizing a bayonet mounting for improved shock resistance, it provides a 100-hour power reserve. Precision is elevated by...

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Oct 31, 2023 by Sabine Zwettler

Sponsored: A Durable Style – Meet the Victorinox I.N.O.X. Chrono

Since its founding in 1884, Victorinox has been a steady champion of utility-driven style. From its now-iconic Swiss Army Knife, the brand has garnered a wide renown for reliable functionality in its products, with its modern collection of timepieces carrying that legacy forward. In the brand’s latest, the new I.N.O.X. Chrono, we see a continuation...

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Dec 1, 2023 by WatchTime

Complete, Annual, And Perpetual Calendars, And Why They Are Different

This article is from the WatchTime Archives and was originally published in 2022. Ever since the first clocks were created, there has been a desire to add complications. Moon phases and calendar functions were among the first, and as pocket watches and later on, wristwatches appeared on the scene, these complications were there too implemented...

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Sep 28, 2023 by Martin Green

Showing at WatchTime New York 2023: Piaget Polo Perpetual Calendar Ultra-Thin

WatchTime New York 2023 is less than a month away from October 20 to 22nd at Manhattan’s Gotham Hall, with over thirty incredible brands poised to showcase some of the most important watches of the year for this incredible collectors’ event. Joining this year is the praised luxury maison Piaget, with the brand to be...

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Sep 24, 2023 by WatchTime

A. Lange & Söhne Releases Lange 1 Perpetual Calendar in Platinum (With Live Photos)

The perpetual calendar is one of the masterpieces of haute horlogerie, as this long-term genius knows the correct length of months even in leap years. Only in 2100, when, according to the Gregorian calendar, the leap year is omitted, does the complex mechanism require manual correction. However, the challenge lies not only in the mechanical...

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Sep 13, 2023 by Sabine Zwettler

IWC Debuts Big Pilot’s Watch Perpetual Calendar TOP GUN Lake Tahoe

“The bad news is that time flies. The good news is that you are the pilot.” This saying about the fleeting nature of time and how to navigate it could be programmatic for IWC’s Big Pilot Watch Perpetual Calendar, a technically complex and robust timepiece that offers many useful functions for the flight through life....

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Jul 18, 2023 by Sabine Zwettler

A. Lange & Söhne Delights with New Execution of 1815 Rattrapante Perpetual Calendar

With the 1815 Rattrapante Perpetual Calendar, premiered in 2013, A. Lange & Söhne endowed three of the most sophisticated horological complications with the beautifully classic design of the 1815 product family. The equally rare and challenging combination of a split-seconds chronograph with a perpetual calendar is now presented in a new livery, featuring an 18-carat...

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Jul 13, 2023 by Sabine Zwettler

Eternally Classic: Breguet Wows with New Slim Classique Quantième Perpétuel 7327

The refined timepieces of the Breguet Classique line are all about accuracy and perfect readability. Stylistically inspired by the brand’s founder, they are distinguished by a wealth of fascinating technical and aesthetic details. The new Classique Quantième Perpétuel, offered in 39mm pink and white gold executions, is a beautiful example of this legacy. It is...

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Apr 21, 2023 by Sabine Zwettler

Watches & Wonders 2023: Piaget’s Latest Polo Perpetual Calendar Is Rock Solid

While watches with stone dials become en-vogue again and are adopted by more and more brands, others can look back at a history in this field that spans several decades. Piaget had an extensive collection of watches with stone dials in the 1950s, and this tradition has really set into the brand’s DNA. The latest...

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Mar 27, 2023 by Martin Green

Audemars Piguet Wows With Limited Royal Oak Selfwinding Perpetual Calendar Ultra-Thin in Titanium

Audemars Piguet unveils a new edition of the Royal Oak Perpetual Calendar Ultra-Thin, first introduced in 2018 as the thinnest of its kind. The new edition is presented in full titanium (case, bezel, and bracelet) and with a twist of its beautiful blue dial. With a case height of just 6.2 mm, the 41-mm watch lives...

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Feb 15, 2023 by Sabine Zwettler

Piaget Gives Its Polo the Perpetual Treatment

A perpetual calendar remains a captivating complication. The mere fact that so many parts can come together and show the correct day, date, month, and moon phase for almost a century to come is mind blowing. This is why this complication still has firm ground under its feet in the world of haute horlogerie. This...

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Feb 6, 2023 by Martin Green

Celebrating 135 Years, Carl F. Bucherer Launches Five Watch Capsule Collection Done in Black

Just released by Carl F. Bucherer is a new capsule collection that puts a unique spin on five of the brand’s most popular watches. With 2023 marking the 135th anniversary of the brand, each of the five watches will debut in a city that has played an important role in Carl F. Bucherer’s history. The...

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Jan 31, 2023 by Bilal Khan

2022 Year in Review: 4 Notable Perpetual Calendars

Continuing our annual recap tradition, today we look back at more of the most exciting and innovative releases that broke onto the scene in 2022. Like many years, this one saw the debut of many fascinating, complication-equipped timepieces, from chronographs to alarm watches to GMTs and more. Today, we are highlighting the esteemed perpetual calendar...

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Dec 29, 2022 by Caleb Anderson

IWC Portofino Perpetual Calendar: The Return of A Small(er) Mechanical Marvel

It is no secret that IWC has a thing with perpetual calendars. It was the genius of Kurt Klaus, the man who developed the legendary Da Vinci Perpetual Calendar, that this was established. Ever since, this complication has played an essential role in the brand’s collections. That makes it so unique that the brand has...

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Dec 12, 2022 by Martin Green

Complicated Synergy: The Panerai Luminor Goldtech Calendario Pertpetuo

With the exception of an occasional second timezone or chronograph, Panerai is not a brand that often experiments with complications. The brand is instead known for its rugged timepieces, making it a challenge to integrate certain complications without compromising the brand’s strong DNA. However, that doesn’t mean that it cannot be done, as is proven...

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Nov 9, 2022 by Martin Green

Trick or Treat: Four Skeleton Watches for Halloween

A skeletonized watch is, in my opinion, a must-have for any watch collector. As such timepieces are all about the mechanical parts and how they work together, they represent the essence of our hobby. They might also be the most appropriate watch to wear on Halloween. Which skeletons do you want to have in your...

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Oct 26, 2022 by Martin Green

Patek Philippe Debuts Destro Ref. 5373P Split-Seconds Monopusher Chronograph Perpetual Calendar

It’s not close to Christmas yet but we’re definitely getting some early gifts with some of these new Patek Philippe releases. The new Nautilus is deservedly going to get a lot of attention but if you’re like me, a destro Split-Seconds Perpetual Calendar is where the real action is (and I’m not even a leftie!)....

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Oct 20, 2022 by Bilal Khan

Hands-On With the Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin Skeleton

Nowadays, it almost seems that every order for an (iconic) sports watch is in any material other than precious metals. Ceramic, sapphire, forged carbon, titanium, or stainless steel are all held in high regard, evoking a high want factor among watch enthusiasts. Call me old-fashioned, but I love a watch in precious metal, particularly those...

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Oct 12, 2022 by Martin Green

Showing at WatchTime New York 2022: Habring² x Massena LAB Chrono Felix Perpetual, LAB-CFP

Coming up in just a couple weeks is WatchTime New York 2022, the three-day event showcasing many of the most sought-after watch releases of the past year. The event will occur from October 21-23, with more than 30 participating watch brands joining at Midtown Manhattan’s Gotham Hall. Among them is Massena LAB, the horological creative studio...

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Oct 10, 2022 by WatchTime

Baume & Mercier Highlights the Versatility of the Baumatic Movement with New Clifton Novelties

Today, Baume & Mercier introduces a new line of novelties to join its Clifton Baumatic collection. The update to the line includes three timepieces, including a time-and-date model, a day-date, and a perpetual calendar, each working to merge the expertise of the brand’s watchmaking and design work. Creating cohesion between the pieces, like in previous...

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Sep 5, 2022 by Caleb Anderson

PORTFOLIO

Eternal Time: 6 Modern Perpetual Calendar Watches

In modern watchmaking, a perpetual calendar indicates the date, and corrects automatically for months with less than 31 days, as well as leap years. Unless the movement takes into account century years that are not leap years, a perpetual calendar will need manual adjusting in 2100, 2200 and 2300. Usually, a perpetual calendar combines additional complications (a moon-phase, for example). From WatchTime's February 2018 issue, here are six watches that are (almost) ready for eternity.

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Aug 23, 2022 by WatchTime

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