Stainless steel case with a stainless steel bracelet. Unidirectional black ion-plated bezel. Black dial with luminous hands and dot hour markers. Minute markers around the outer rim. Luminescent hands and markers. Date displays at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 seconds, 30 minutes and 12 hours. Automatic chronometer movement. Scratch resistant sapphire crystal. Screw down crown. Screw down case back. Helium escape valve. Case diameter: 41.5 mm. Case thickness: 16.8 mm. Deployment clasp. Water resistant at 300 meters / 1000 feet. Functions: hours/ minutes/ seconds/ date/ chronograph. Omega Seamaster Men's 300m Watch 213.30.42.40.01.001.