Titanium case with a brown alligator leather strap. Skeleton dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands. Hand Wind movement. Manufacture 2941 engine. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case diameter: 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 Mens Watch 26223TI.OO.D099CR.01.