Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 424.50.37.20.03.001 Omega 424.50.37.20.03.001 Complete Details: Polished 18kt yellow gold case and bracelet. Two-tiered blue sunray dial. Applied polished gold Roman numerals and index hour markers. Polished gold hands. Date window displayed at the 3 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 42450372003001