Breitling introduced a new perpetual calendar chronograph caliber to celebrate the brand’s 140th birthday last year. The impressive movement was featured in a trio of rose gold limited editions. Today ...

If you buy from a link, we may earn a commission. Learn more If you’re fortunate enough to own any version of Audemars Piguet’s Perpetual Calendar Royal Oak, no one wants to hear you complain about a ...

“I'm a big fan of AP, especially for its perpetual calendar watches,” says Liu. “Since I started collecting them eight years ago, I've been trying to put together a chronological set of ...

Audemars Piguet is calling time on its Calibre 5135 automatic perpetual calendar movement, which has been at the heart of its most complicated timekeepers for the past decade. The movement is given a ...