Omega Style No: 425.30.34.20.57.004 Omega De Ville Ladymatic Omega Co-Axial Watch - 34 mm Steel Case - Black Diamond Dial

34 mm steel case, transparent back, self-locking crown, steel bezel, sapphire crystal with anti-reflective treatment on both sides, black dial set with 11 diamonds indexes, caliber 8520 self-winding movement with date window at 3 o'clock, approximately 50 hours of power reserve, steel bracelet. Water resistant to 100 m (330 ft).