Breitling has just given its legendary Navitimer a serious upgrade – ice-blue dial, platinum bezel, and perpetual calendar ...

The perpetual calendar-or quantième perpétuel ("QP") for the Francophones among us-has been kicking around the horological ...

Audemars Piguet's new perpetual calendar movement gets a massive upgrade and, of course, debuts with a pair of Royal Oaks.

Breitling puts its latest perpetual chronograph caliber in a standard-production model ✓ The new Breitling Navitimer B19 ✓ ...

Audemars Piguet marks the end of the Calibre 5135 era with an open-work Perpetual Calendar. The post New Royal Oak Perpetual ...

Just when you think you’ve seen them all, someone comes up with something new and unusual, like the concentric rings of this automated perpetual calendar ... Most of the clock is made from ...

Audemars Piguet’s first crop of newness this year celebrates the brand’s 150th anniversary. To celebrate, it's launching a ...

It includes 52 “complications,” including a 400-year perpetual calendar, tide clock, solar and lunar eclipse prediction, a planisphere to show the constellations, and even a thermometer.

The new calibre simplifies adjustments and eliminates the need for fiddly correctors and specialised tools. Read more at ...

The perpetual calendar—or quantième perpétuel ... It still has a red zone on the 9 o’clock day/24-hour indicator, which warns when the date may not engage properly if the user attempts ...