Breitling celebrates 140th anniversary with its first perpetual calendar movement. Story by Bethan Girdler-Maslen • 9mo. A s part of its ‘140 Years of Firsts’ celebration, ...

That's why Breitling's new Navitimer B19 Chronograph Perpetual Calendar is such an impressive thing. Based on a rose gold piece crafted for the brand's 140th anniversary last year, the new model ...

The new Piaget 1255P ultra thin perpetual calendar movement. Piaget, Etienne_Delacretaz. The new timepiece, crafted in stainless steel is powered by the brand’s 1255P Caliber and boasts a ...

Audemars Piguet marks 150th anniversary with a revolutionary perpetual calendar movement. Calibre 7138's movement relies on a single crown to set every function for the calendar.