18 carat pink gold case with a brown alligator leather strap. Skeleton dial with rose gold-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands. Audemars Piguet Calibre 2941 Hand Wind movement with about 237 hours of power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case size: 44 mm. Case thickness: 16.10 mm. Round case shape. Water resistant at 100 meters / 330 feet. Functions: Tourbillon, Chronograph, Column Wheel, Hour, Minute, Power Reserve Indicator. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Concept Tourbillion Chronograph Skeleton Dial Automatic Mens Watch 26223OR.OO.D099CR.01.