Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 424.27.33.20.55.002 Omega 424.27.33.20.55.002 Complete Details: Omega De Ville Prestige “Butterfly” Polished 18kt yellow gold and stainless steel case. White satin leather strap Bezel set with 52 diamonds White mother of pearl dial decorated with a butterfly pattern 8 diamond hour markers Applied polished yellow gold Roman numerals 3, 9 & 12 Polished yellow gold hands. Date window displayed at the 6 o'clock position. COSC-certified Omega Caliber 2500 automatic chronometer movement with a co-axial escapement and a power reserve of 48 hours. This watch is also known as 42427332055002