Setting the highest standards of watchmaking, this OMEGA Seamaster Planet Ocean 600m Automatic Chronometer Chronograph Men\'s Watch is an iconic design which stands out both above and beneath the waves. We love the elegant presentation box. At A Glance  Fastened with a stainless steel bracelet 45.5mm stainless steel case with a black ceramic unidirectional rotating bezel and 600m water resistance Helium escape valve Scratch-resistant sapphire crystal with anti-reflective treatment on both sides Black dial with Arabic numeral and baton hour markers Two chronograph sub-dials Date window at 6 o’clock Powered by the OMEGA Co-Axial Calibre 9900 Master Chronometer self-winding automatic movement Minimum power reserve of 60 hours