Omega Style No: 215.92.46.22.01.001 Omega Planet Ocean 600 M Omega Co-axial Master Chronometer GMT Deep Black Watch - 45.5 mm Black Ceramic Case - Unidirectional Bezel - Black Dial - Black Rubber Strap

45.5 mm black ceramic case with anti-magnetic properties and helium escape valve, transparent back, screw-in crown, unidirectional rotating bezel with Liquidmetal diving scale, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, black dial with 18K white gold hands coated in white Super-LumiNova, caliber 8906 Self-winding chronometer movement with Co-Axial escapement and GMT time zone function, approximately 60 hours of power reserve, black rubber strap with white stitching. Water resistant to 600 m (2000 ft).