Completely upgraded and enhanced for a new generation of pioneering spirits, this OMEGA Seamaster 300 Automatic Men\'s Watch was originally designed especially for divers and professionals who worked underwater. At A Glance  Presented on a stainless steel bracelet 41mm case size with 300m water resistance Sandblasted black dial with unidirectional rotating polished ceramic bezel Baton and numbered hour markers with date window at 6 o\'clock Transparent caseback Scratch resistant sapphire crystal glass with anti-reflective treatment Powered by the OMEGA 8400 swiss automatic movement