42MM S.S. SEAMASTER DIVER 300M, GREY DIAL, BLUE CERAMIC UNIDIRECTIONAL ROTATING BEZEL, WHITE ENAMEL DIVING SCALE, LASER-ENGRAVED WAVES, DATE WINDOW AT 6 O'CLOCK, BLUE RUBBER STRAP, STEEL CASE, AUTOMATIC / OMEGA MASTER CHRONOMETER CALIBRE 800, MASTER CHRONOMETER CERTIFIED, TRANSPARENT CASE BACK, SCREW-IN CROWN, HELIUM ESCAPE VALVE, DOMED-SCRATCH RESISTANT SAPPHIRE CRYSTAL WITH ANTI-REFLECTIVE TREATMENT ON BOTH SIDES, WATER RESISTANT 300 METERS