OMEGA Seamaster Diver 300M

The Omega Seamaster Diver 300M, reference 210.20.42.20.03.002, is a dive watch with a 42 mm case in steel and gold. The case measures 13.56 mm thick and 49.9 mm lug to lug. Omega rates the case to 300 metres. Calibre 8800 is a self-winding Master Chronometer movement with a 55 hour power reserve. The watch has a display back. A domed sapphire crystal with anti-reflective treatment on both sides covers the blue dial. The Seamaster has a date, a helium valve and a screw-down crown, and its bezel is unidirectional and rotating. A steel and gold bracelet has a foldover clasp with comfort setting and diver extension.