Stainless steel case with a silver-tone stainless steel bracelet. Uni-directional rotating black ceramic bezel. Black dial with luminous 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 - sub-dials displaying: three - 60 second, 30 minute and 12 hour. Omega Calibre 3330 automatic movement with a 52-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case size: 41.5 mm. Case thickness: 13 mm. Round case shape. Band width: 20 mm. Band length: 8 inches. Deployment clasp. Water resistant at 300 meters / 1000 feet. Functions: chronograph, date, hour, minute, second, chronometer. Additional Info: helium escapement valve located on the edge of the case at the 10 o'clock position. Luxury watch style. Watch label: Swiss Made. Item Variations: 21230425001001, 212 30 42 50 01 001. Omega Seamaster Diver 300 M Co-Axial Chronograph 41.5 mm Mens Watch 212.30.42.50.01.001.