Designed to celebrate the 25th anniversary of this legendary collection, this high-performance OMEGA Seamaster Diver 300m Automatic Men’s Watch is the ultimate diver’s watch. At A Glance  Fastened with a black rubber strap 42mm stainless steel case with a black ceramic unidirectional rotating bezel and 300m water resistance Helium escape valve Scratch-resistant sapphire crystal Black ceramic dial with wave patterns and baton hour markers Date window at 6 o’clock Powered by the OMEGA Co-Axial Calibre 8800 Master Chronometer self-winding automatic movement Minimum power reserve of 55 hours