Perpetual Calendar

Introducing The Breitling 140th Anniversary Perpetual Calendar Chronograph Collection

Watch Reviews

Introducing The Breitling 140th Anniversary Perpetual Calendar Chronog...

Breitling’s celebrating its 140th Anniversary, and at Geneva Watch Days, it’s just announced its very first in-house perpetua...

Million Year Moon: The IWC Portugieser Eternal Calendar

Watch Reviews

Million Year Moon: The IWC Portugieser Eternal Calendar

A new addition to the small family of secular perpetual calendars has a moonphase display accurate to one day in 45 million years. Trade ...

Introducing The De Bethune DB Kind Of Grande Complication

Watch Reviews

Introducing The De Bethune DB Kind Of Grande Complication

Being two-faced has never looked so good. There are many examples over the years of De Bethune’s ability to think outside the box, ...

Pure Moon: The Parmigiani Fleurier Tonda ‘Hijiri’ Perpetual Lunar Calendar

Watch Reviews

Pure Moon: The Parmigiani Fleurier Tonda ‘Hijiri’ Perpetua...

A wristwatch-wearable perpetual Islamic calendar, based on the phases of the Moon. The ubiquity of the Gregorian calendar in civil timeke...

Thoughts On The Audemars Piguet Royal Oak Perpetual Calendar ‘John Mayer’ Limited Edition

Watch Reviews

Thoughts On The Audemars Piguet Royal Oak Perpetual Calendar ‘Jo...

The retirement of a classic ultra-thin complicated movement makes for a beautiful sunset. In 1967, the Audemars Piguet caliber 2120 was i...

Classic Meets Cutting Edge In The De Bethune DB25 Perpetual Calendar

A Watch A Week

Classic Meets Cutting Edge In The De Bethune DB25 Perpetual Calendar

A De Bethune Perpetual Calendar that offers the best of traditional design and next-generation watchmaking. The perpetual calendar has of...

A Patek Philippe 5270G Perpetual Calendar Chronograph

A Watch A Week

A Patek Philippe 5270G Perpetual Calendar Chronograph

An historic reference, a modern watchmaking masterpiece – and a little controversy too. In a Leap Year, naturally, a young (or in this ca...

Seeing The Centuries: Different Displays For The Perpetual Calendar

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Seeing The Centuries: Different Displays For The Perpetual Calendar

The complexity of the perpetual calendar means that when it comes to variety in their displays, the sky’s the limit. The perpetual ...

New Watch Alert: H. Moser & Cie “Smoked Salmon” Perpetual Calendar

Watch Reviews

New Watch Alert: H. Moser & Cie “Smoked Salmon” Perpetual Calenda...

In their latest drop of perpetual calendar brilliance, H. Moser & Cie not only embraces but downright owns the timeless mantra of ...

The Breathtaking Beauty Of The Chopard L.U.C. Perpetual Calendar Chronograph

A Watch A Week

The Breathtaking Beauty Of The Chopard L.U.C. Perpetual Calendar Chron...

A horological heavyweight from the House Of Happy Diamonds. In 2002, I happened to read a story on Timezone.com by Walt Odets (who has lo...

The Inbox: Aren’t Hand Wound Perpetual Calendars Obsolete?

Watch 101

The Inbox: Aren’t Hand Wound Perpetual Calendars Obsolete?

If hand-wound perpetuals are such a bad idea, why do they even exist? Greetings all, and welcome back to The Inbox. We’ve been on a...

The H. Moser & Cie. Endeavour Chinese Calendar Limited Edition

Watch Reviews

The H. Moser & Cie. Endeavour Chinese Calendar Limited Edition

A clean, clear display of a highly complex calendar. There are few subjects more beautiful than the various calendar systems which have d...

The A. Lange & Söhne Lange 1 Perpetual Calendar Tourbillon Automatic

A Watch A Week

The A. Lange & Söhne Lange 1 Perpetual Calendar Tourbillon Automa...

A pioneering modern classic of complicated watchmaking. The perpetual calendar was first placed into a wristwatch, as far as we know, by ...

The Vacheron Constantin Overseas Perpetual Calendar Ultra Thin Skeleton

A Watch A Week

The Vacheron Constantin Overseas Perpetual Calendar Ultra Thin Skeleto...

A perpetual calendar that’s an aristocrat among its peers. Innovation can be a wonderful thing. It can bring us untold practical an...

Introducing The Lange 1 Perpetual Calendar In Platinum

Watch Reviews

Introducing The Lange 1 Perpetual Calendar In Platinum

The Lange 1 Perpetual Calendar’s movement is one of the most ingenious Lange has ever made. The Lange 1 Perpetual Calendar is not t...

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Limited Addiction: The Best of Limited Editions

History of Time

Limited Addiction: The Best of Limited Editions

Let’s face it, acquiring a watch that only a select few others will own is always an appealing proposition. We live in an industry satura...

8 Things to Know About IWC

History of Time

8 Things to Know About IWC

There’s a lot we all know about the beloved International Watch Company. Famed for their iconic pilot’s watch collection, the longstandin...

The Power of Necessity | Innovation in Watchmaking

History of Time

The Power of Necessity | Innovation in Watchmaking

As the world remains at home, we are forced to come together—remotely, of course—to find a new way to work and solve novel problems. The ...