February 25, 2025 Audemars Piguet’s Game-Changing New Perpetual Calendar Can Be Set with a Single Crown The new caliber powers several new Royal Oak models and a Code 11.59.

Despite its name, the perpetual calendar has not been around forever. Patek Philippe patented the movement for a pocket watch in 1889 and the venerable Swiss watch brand introduced the first ...

Thomas Mudge invented the very first perpetual calendar in 1762—the gold pocket watch that contains it is currently on view at the British Museum. But it would take almost two full centuries for ...

The Patek Philippe Museum’s collection houses 1,250 pieces, including Queen Victoria’s pocket watch, and its curator has been given carte blanche at auctions to buy more ...