Omega De Ville Hour Vision ref. 431.33.41.21.01.001 Case: Stainless Steel/Sapphire Case Size: 41mm Height:12,45mm Calibre: Omega 8500 Self-winding movement with Co-Axial escapement. Free sprung-balance, 2 barrels mounted in series, automatic winding in both directions. Bridges and the oscillating ma...