Stainless steel case with a stainless steel bracelet. Fixed bezel. Black grande tapisserie dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - sub-dials displaying: two - 60 second and 30 minute. Mechanical movement. Scratch resistant sapphire crystal. Pull / push crown. Skeleton transparent exhibition see through case back. Case diameter: 44 x 58 mm. Case thickness: 12.9 mm. Dodecagonal case shape. Water resistant at 20 meters / 60 feet. Functions: chronograph, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Tourbillion Chronograph Black Dial Steel Mens Watch 25977STOO1205ST02.