Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.18.35.20.55.001 Omega 123.18.35.20.55.001 Complete Details: Brushed-finished stainless steel case with polished claws. Bezel set with 34 round diamonds. White mother of pearl dial with a supernova textured pattern. Eleven diamond hour markers in graduated sizes. Displays date at the 6 o'clock position. Omega 2500 Co-Axial Escapement automatic movement with a rhodium-plated finish. Power reserve about 48 hours. This watch is also known as 12318352055001