Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Lady Price on request Gmtbroker Reference: 123.55.27.20.55.002 Omega 123.55.27.20.55.002 Complete Details: Brushed 18kt yellow gold case and bracelet. Polished bezel set with 32 round diamonds. White Mother of Pearl dial with with a supernova pattern. 11 diamond hour markers. Date window displayed at the 3 o'clock position. Omega Co-Axial Escapement movement  - Caliber  8520 with a rhodium-plated finish. This ultra-precise movement features automatic winding in both directions and has a power reserve of 50 hours. This watch is also known as 12355272055002