Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.50.27.20.55.002 Omega 123.50.27.20.55.002 Complete Details: Brushed 18kt yellow gold case and bracelet. Brushed and polished 1kt yellow gold bezel with engraved Roman numeral hour markers. Mother of Pearl textured "Supernova" dial with luminescent gold hands. 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 12350272055002