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.
Ultra-thin mechanical self-winding movement. Caliber 240 Q. 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 dark chestnut, fold-over clasp. Interchangeable full back and sapphire-crystal case back. Water resistant to 30 m. Case diameter: 39 mm. Height: 9.71 mm.