18 carat pink gold case with a 18 carat pink gold bracelet. Blue dial with pink gold hands and index hour markers. Dial Type: Analog. Luminescent hands and markers. Four- month, moonphase, date, day of the week. Automatic movement. Manufacture 5134 engine. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case diameter: 41 mm. Case thickness: 9.50 mm. Round case shape. Deployment with push button clasp. Water resistant at 200 meters / 660 feet. Functions: date, day, hour, minute, second, prepetual calender. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Prepetual Calendar Blue Dial Automatic Mens 18 Carat Pink Gold Watch 26574OR.OO.1220OR.02.