The go-to diver’s watch for those who enjoy challenging adventures beneath the waves, this OMEGA Seamaster Planet Ocean 600m Automatic Men\'s Watch impresses with its 600m water resistance and Master Chronometer movement. At A Glance  Fastened with a brushed stainless steel bracelet 43mm stainless steel case with a unidirectional rotating bezel and 600m water resistance Helium escape valve Scratch-resistant sapphire crystal Black dial with Arabic numeral and baton hour markers Date window at 3 o’clock Powered by the OMEGA Co-Axial Calibre 8900 Master Chronometer self-winding automatic movement Minimum power reserve of 60 hours