Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.10.35.20.10.001 Omega 123.10.35.20.10.001 Complete Details: Brushed stainless steel case and Bracelet Brushed steel bezel with engraved roman numerals and polished claws Bronze colored dial with index hour markers Displays Date at 3 o'clock Omega 2500 Co-Axial Escapement movement with a power reserve of 40 hours. This watch is also known as 12310352010001