Case material: Steel; Charge: Quartz; Conditions: New Presentation condition : With boxes and all papers; Model: Constellation Price on request Gmtbroker Reference: 123.10.35.60.01.001 Omega 123.10.35.60.01.001 Complete Details: Brushed Stainless steel case and Bracelet Black dial with index hour markers Displays Date at 3 o'clock Omega 1532 movement with rhodium-plated finish End of Battery Life Indicator, Battery Life is about 2 years   This watch is also known as 12310356001001