Celebrating 25 years of underwater excellence, this high-performance OMEGA Seamaster Diver 300m Automatic Men’s Watch takes the power and precision of this legendary collection to new levels. At A Glance  Fastened with a brushed and polished stainless steel bracelet 42mm stainless steel case with a blue ceramic unidirectional rotating bezel and 300m water resistance Helium escape valve Scratch-resistant sapphire crystal Grey 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