It pays tribute to the 20th anniversary of Patek Philippe’s patented Annual Calendar: the men’s Ref. 5396, with an inline double aperture for the day and month as well as a date at 6 o’clock, is now being presented in two new versions with white- and rose-gold cases. Their hallmarks: a charcoal gray sunburst (white gold) or silvery opaline (rose gold) dial with large applied Breguet numerals in gold.
Dial: silvery opaline with gold applied hour markers. Rose gold. Case diameter: 38.5 mm. Height: 11.2 mm. Water resistant to 30 m. Sapphire-crystal case back. Strap: shiny chocolate brown alligator. Fold-over clasp. Annual Calendar. Day, date and month in apertures. Moon phases and 24-hour display. Sweep seconds hand. Moon phases.
Annual Calendar. 24-hour indication. Moon phases. Diameter: 33.3 mm. Height: 5.78 mm. Parts: 347. Bridges: 10. Jewels: 34. Power reserve: Min. 35 hours - max. 45 hours. Central rotor in 21K gold, unidirectional winding. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.