Omega Seamaster 300 Omega Master Co-Axial Watch - 41 mm Brushed And Polished Steel Case - Unidirectional Bezel - Black Dial - 233.30.41.21.01.001

41 mm brushed and polished stainless steel case, transparent back, screw-in crown, unidirectional rotating bezel polished black ceramic ring and Liquidmetal diving scale, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sand-blasted black dial with rhodium plated hands coated with vintage Super-LumiNova, self-winding chronometer Omega 8400 movement with Co-Axial Escapement, and resistance to magnetic fields greater than 15,000 gauss, approximately 60 hours of power reserve, brushed and polished stainless steel bracelet. Water resistant to 300 m.