Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.15.27.20.01.001 Omega 123.15.27.20.01.001 Complete Details: Brushed stainless steel case and bracelet. Polished steel bezel set with 32 round diamonds. Black dial adorned with bevelled polished steel stars. Date window located at the 3 o'clock position. COSC-certified 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 12315272001001