OMEGA Seamaster 300

Omega's Seamaster 300, reference 234.63.41.21.99.001, is a dive watch cased in yellow gold at 41 mm. The case measures 14.65 mm thick with a lug-to-lug of 48 mm, and a unidirectional rotating bezel surrounds the green dial. A domed sapphire crystal with antireflective treatment inside covers the dial, and the caseback is transparent. Inside is the self-winding calibre 8913, a Master Chronometer certified movement with Co-Axial escapement, resistant to magnetic fields up to 15,000 gauss, giving 60 hours of power reserve. It also has a time zone function. The watch is fitted with a green leather strap on a non-grained alligator underside, closed by a yellow gold foldover clasp. Water resistance reaches 300 metres, or 30 bar.