An impressive watch that will look as good on land as it will at sea, this OMEGA Seamaster Planet Ocean 600m Automatic Chronometer Men\'s Watch is powered by a legendary Master Chronometer movement. We love the bold black dial and bezel. At A Glance  Fastened with a stainless steel bracelet 39.5mm stainless steel case with a black ceramic 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 8800 Master Chronometer self-winding automatic movement Minimum power reserve of 55 hours 215.30.40.20.01.001