Omega Seamaster Automatic Grey Dial Mens Watch 215.32.44.21.06.001 Silver-tone stainless steel case, green rubber strap. Automatic movement Calibre 8900 (based on Omega's Calibre 8500). Contains 39 jewels operating at 25200 vph. Power reserve approx. 60 hours. Scratch resistant sapphire crystal. Unidirectional rotating grey ceramic bezel with luminescent properties. Silver-tone hands and index-Arabic numeral hour markers on the grey dial, minute markers around outer rim. Date display at 3 o'clock position. Screw down crown. Transparent case back. Round shape measuring 43.5 mm in diameter with a thickness of 16.2 mm. Secured by fold over clasp. Water resistant to 600 meters / 2000 feet (approximate). Functions include date, hour, minute and second display. Swiss Made. Belongs to the Seamaster series.