Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.20.27.20.53.002 Omega 123.20.27.20.53.002 Complete Details: Brushed stainless steel case and bracelet. Brushed steel bezel with engraved Roman numeral hour markers. Polished rose gold claws. Blue dial with a supernova pattern and luminescent 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 12320272053002