Achieving a remarkable combination of GMT functionality and extreme diving capabilities, this OMEGA Seamaster Planet Ocean 600m Ceramic Automatic Men’s Watch is a must-have tool for even the most challenging adventures. At A Glance  Fastened with a back rubber strap with contrast stitching 39.5mm black ceramic 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