Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.10.38.21.01.002 Omega 123.10.38.21.01.002 Complete Details: Brushed Stainless steel case and Bracelet Black square-grid textured  dial with index hour markers Displays Date at 3 o'clock Omega 8500 Co-Axial Escapement movement Power Reserve about 60 hours This watch is also known as 12310382101002