OMEGA Seamaster Diver 300M

The Omega Seamaster Diver 300M, reference 210.20.42.20.03.001, is a dive watch with a 42 mm case in steel and gold. The case is 13.56 mm thick and 49.9 mm lug to lug. Omega rates the case to 300 metres. A domed sapphire crystal with anti-reflective treatment on both sides covers the blue dial. Calibre 8800 is a self-winding Master Chronometer movement with a 55 hour power reserve. The watch has a date display, a helium valve and a unidirectional rotating bezel. The case has a display back and a screw-down crown. A steel and gold bracelet is fitted, with a foldover clasp that has a comfort setting and a diver extension.