Omega Seamaster Diver 300 M Co-Axial Chronograph Watch - 41.5 mm Steel Case - Unidirectional Bezel - Black Dial - 212.30.42.50.01.001

41.5 mm stainless steel case, screw-in crown, unidirectional rotating bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, black dial, self-winding chronometer Omega 3330 movement with chronograph, small seconds, and date, approximately 52 hours of power reserve, stainless steel bracelet. Water resistant to 300 m.