OMEGA Seamaster Diver 300M

The Omega Seamaster Diver 300M ref. 210.90.42.20.01.003 is a dive watch cased in bronze gold, measuring 42 mm across. The case stands 13.8 mm thick with a lug-to-lug span of 49.7 mm, and a unidirectional rotating bezel surrounds the black dial. A domed sapphire crystal with anti-reflective treatment covers the dial, and a screw-down crown and helium valve support the watch's diving credentials. Inside is the self-winding calibre 8806, a Master Chronometer movement certified by METAS with resistance to magnetic fields up to 15,000 gauss and a power reserve of 55 hours. The rotor and bridges carry Geneva waves in arabesque, visible through the display back. A bronze gold bracelet closes with a matching foldover clasp. The case holds a 300 metre water resistance rating.