Guaranteed to help you take on even the most challenging underwater adventure, this OMEGA Seamaster Planet Ocean 600m Automatic Chronometer Men\'s Watch pays homage to the brand’s diving heritage. We love the all black design with just a hint of colour. At A Glance  Fastened with a black leather strap 43.5mm 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