Omega Style No: 435.13.40.22.01.001 Omega De Ville Trésor Co-Axial Master Chronometer Power Reserve - 40 mm Steel Case - Black Dial

40 mm steel case, transparent back, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, domed black dial with a Power Reserve display at 12H, Calibre 8934 manual-winding chronometer movement with small seconds, approximately Power reserve indicator of power reserve. Water resistant to 30 metres (100 feet).