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.
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.