Embracing the brand\'s ocean heritage, this OMEGA Seamaster Diver 300m Automatic Men\'s Watch showcases the best innovation and design on a legendary model. At A Glance  Presented on a black rubber strap 43.5mm black ceramic case with grade 5 titanium and helium escape valve Black ceramic unidirectional rotating bezel with white enamel diving scale Water resistant to 300m Domed and scratch-resistant sapphire crystal with anti-reflective treatment on both sides Black ceramic dial with laser-engraved waves Skeleton hands and raised hour markers in PVD titanium with white Super-LumiNova Powered by the OMEGA Master Chronometer Calibre 8806 Sapphire crystal caseback