Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 424.57.37.20.55.001 Omega 424.57.37.20.55.001 Complete Details: Omega De Ville Prestige “Butterfly” Polished 18kt yellow gold case. Bezel set with round diamonds. White satin leather strap White mother of pearl dial decorated with a beautiful and unique butterfly pattern 9 diamond hour markers Polished yellow gold colored 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 42457372055001