Omega De Ville Prestige Power Reserve 39.5mm | 424.53.40.21.04.001Polished 18k white gold case. Case diameter : 39. 5 mm. Two tiered flat white dial. Applied blued Roman numeral and index hour markers. Polished blued faceted hands. Date window displayed at the 3 o'clock position. Small seconds counter located at the 9 o'clock position. Power reserve indicator located at the 6 o'clock position. Water resistance to 30 meters. COSC certified Omega caliber 2627 automatic chronometer movement with a co axial escapement.