Case material: White gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 424.57.33.20.55.001 Omega 424.57.33.20.55.001 Complete Details: Omega De Ville Prestige “Butterfly” Polished 18kt white gold case White satin leather strap Bezel set with 52 diamonds White mother of pearl dial decorated with a beautiful and unique butterfly pattern 9 diamond hour markers Polished white 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 42457332055001