OMEGA Seamaster Diver 300M

Omega's Seamaster Diver 300M ref. 210.20.44.51.01.001 is a chronograph in steel and Sedna gold, with a case measuring 44 mm across. Thickness comes in at 17.2 mm and the lug-to-lug span reaches 52.8 mm. A domed sapphire crystal with antireflective treatment covers the black dial. The Omega calibre 9900 drives the watch, a self-winding chronograph movement with a column wheel and Co-Axial escapement, certified as a Master Chronometer and resistant to magnetic fields up to 15,000 gauss. Power reserve runs to 60 hours. The watch also has a date function, a unidirectional rotating bezel and a display back. Its steel and Sedna gold bracelet closes with a foldover clasp with comfort setting and diver extension, and the case is rated to 300 metres of water resistance.