Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.10.35.20.52.001 Omega 123.10.35.20.52.001 Complete Details: Brushed Stainless steel case and Bracelet Silver dial 11 Diamond hour markers Displays Date at 3 o'clock Omega 2500 Co-Axial Escapement movement with rhodium-plated finish Power Reserve about 48 hours This watch is also known as 12310352052001