A new self-winding perpetual calendar has been added to the Patek Philippe collection. It comes in a Calatrava case with beautifully scalloped lugs and applied Breguet numerals. The yellow- and rosegold models feature ivory lacquered dials with recessed counters. The white-gold version has a blue sunburst dial. The watches come with a sapphire-crystal case back and an interchangeable solid-gold back.
Perpetual calendar. Moon phases. Day, date, month, leap year and 24-hour indication by hands. Dial: ivory lacquered, gold applied Breguet numerals. Alligator strap with square scales, hand-stitched, shiny chocolate brown, fold-over clasp. Case: yellow gold. Interchangeable full back and sapphire-crystal case back. Water resistant to 30 m. Case diameter: 39 mm. Height: 9.71 mm.
Perpetual calendar. Day, date, month, leap year and 24-hour indication by hands. Moon phases. Diameter: 27.5 mm. Height: 3.88 mm. Parts: 275. Bridges: 8. Jewels: 27. Power reserve: min. 38 hours, max. 48 hours. 22K gold off-center mini-rotor. Balance: Gyromax®. Vibrations/hour: 21 600 (3 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal. Patent: CH 595 653.