The perpetual calendar-or quantième perpétuel ("QP") for the Francophones among us-has been kicking around the horological world for nearly three centuries. Thomas Mudge, an English watchmaker ...

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 ...

Phillips says it has successfully “curated the extraordinary” with its Geneva Watch Auction: XXI bringing a possibly unique ...

Breitling completed the transition in 2024 by unveiling the spectacularly complex B19 automatic perpetual calendar chronograph movement. The legendary Swiss watchmaker’s first in-house perpetual ...

“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 ...

Calendar systems include solar and lunar calendars that guide planting and harvest as well as synchronized electronic appointment books that keep modern societies humming along. Perpetual calendars ...

Audemars Piguet unveils Calibre 7138, a groundbreaking perpetual calendar movement with an “all-in-one” crown, marking 150 ...

New Breitling Navitimer employs a Perpetual Calendar complication. It's the first model in the permanent collection to use the B19 movement. Lovers of the best watches on the market can rarely ...

The latest Navitimer sports a radiant ice-blue dial and a platinum bezel, framed by a 43mm stainless steel case. It houses ...

Leading the lineup are a trio of references equipped with AP’s brand new perpetual calendar complication: the Caliber 7138. To enhance user comfort while also improving legibility, all functions ...

The perpetual calendar—or quantième perpétuel (“QP”) for the Francophones among us—has been kicking around the horological world for nearly three centuries. Thomas Mudge, an English ...