Grey titanium case with a black rubber strap. Fixed black ceramic bezel. Transparent dial with black hands and Arabic numeral hour markers. Dial Type: Analog. Luminescent hands and markers. Audemars Piguet Calibre 2974 hand wind movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 42 mm, case thickness: 14.6 mm. Fold over clasp with a safety release. Water resistant at 50 meters / 165 feet. Functions: hour, minute, tourbillon. Additional Info: original box, international warranty card, manual (complete accessories). Royal Oak Concept Tourbillon Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Concept Tourbillon Hand Wind Men's Watch 26631IO.OO.D002CA.01.