Forged carbon case with a black rubber strap. Fixed bezel. Black dial with luminous hands and stick hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - two sub-dials displaying: 60 second and 30 minute. Automatic movement with 65 hour power reserve. Caliber 2897 engine. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 44 mm. Case thickness: 14 mm. Octagon case shape. Tang clasp. Functions: chronograph, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Offshore Automatic Tourbillon Chronograph Mens Watch 26550AU.OO.A002CA.01.