OMEGA Seamaster Diver 300M

Omega's Seamaster Diver 300M ref. 210.20.42.20.01.002 is a dive watch with a 42 mm case in steel and yellow gold. The case measures 13.56 mm thick and 49.9 mm lug to lug, with a unidirectional rotating bezel and a black dial under a domed sapphire crystal treated against reflections on both sides. Inside is the self-winding Omega calibre 8800, a Master Chronometer certified movement with a Co-Axial escapement, resistant to magnetic fields up to 15,000 gauss, giving 55 hours of power reserve. The date sits alongside a helium valve for saturation diving. A sapphire display back shows the movement, and a screw-down crown backs up the case seal. The bracelet, in steel and gold, closes with a foldover clasp with comfort setting. Water resistance reaches 300 metres.