Reference: Patek Philippe Calibre CHR 29-535 PS Manual Chronograph Movement. 18kt Rose Gold Case with Brown Alligator Strap, Rose Gold Tone Bezel. Brown Dial featuring Rose Gold Tone Baton Hands and Arabic Hour Markers, Minute Ring Markers around the Periphery. Analog Dial Type displaying Hours, Minutes, Small Seconds. Complications include Column Wheel mechanism, Rattrapante function. Water Resistance: 30 meters (100 feet).