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The patented annual calendar was launched in 1996 and has been a success story for the past 20 years. Indicating the day of the week, the date and the month, and requiring correction only once a year, this ingenious mechanism has emerged as one of Patek Philippe’s flagship models. It offers a choice of different displays and nuances of style, always combining elegant lines, noble materials and lavish attention to finish.
Annual Calendar. Moon phases. Day and month by hands. Date in an aperture. Power reserve indicator. Sweep seconds hand. Dial: cream lacquered, gold applied hour markers and numerals. Fold-over clasp. Case: yellow gold. Sapphire-crystal case back. Water resistant to 30 m. Case diameter: 39 mm. Height: 11.23 mm.
Annual Calendar. Power reserve indicator. Moon phases. Diameter: 30 mm. Height: 5.32 mm. Bridges: 11. Jewels: 36. 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.