Omega Style No: 435.53.40.22.02.001 Omega De Ville Trésor Co-Axial Master Chronometer Power Reserve - 40 mm Yellow Gold Case - Crystal Silvery Dial

40 mm yellow gold case, transparent back, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, domed crystal silvery dial with a Power Reserve display at 12H, Calibre 8935 manual-winding chronometer movement with small seconds, approximately Power reserve indicator of power reserve. Water resistant to 30 metres (100 feet).