Omega Seamaster 300 Omega Master Co-Axial Watch - 41 mm Steel And Sedna Gold Case - Unidirectional Sedna Gold Bezel - Black Dial - 233.20.41.21.01.001

41 mm stainless steel and 18K Sedna gold case, transparent back, screw-in crown, unidirectional rotating 18K Sedna gold bezel black Ceragold ring and diving scale, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sand-blasted black dial with 18K Sedna gold 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, stainless steel and 18K Sedna gold bracelet. Water resistant to 300 m.