Stainless steel case with a stainless steel bracelet. Uni-directional rotating stainless steel bezel with black ceramic top ring. Black dial with skeleton hands and dot hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with a 52 hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 44.5 mm. Round case shape. Deployment clasp. Water resistant at 300 meters / 1000 feet. Functions: chronograph, date, hour, minute, second. Additional Info: helium escape valve. Dress watch style. Omega Seamaster Automatic Chronograph Black Dial Stainless Steel Mens Watch 21230445001001.