OMEGA Seamaster Diver 300M

Omega's Seamaster Diver 300M, reference 210.30.42.20.04.001, is a dive watch with a 42 mm round case. The case is steel, 13.56 mm thick and 49.9 mm lug to lug. Omega rates the case to 300 metres. Calibre 8800 is a self-winding movement with a 55 hour power reserve. The crystal is domed sapphire with anti-reflective treatment on both sides. The watch has a date, a helium valve, a screw-down crown and a unidirectional rotating bezel. The Seamaster also has a display back. A steel bracelet is fitted with a foldover clasp with comfort setting and diver extension.