Case material: Steel; Charge: Quartz; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Lady Price on request Gmtbroker Reference: 123.20.27.60.55.002 Omega 123.20.27.60.55.002 Complete Details: Brushed 18KT Yellow gold and Stainless steel case and Bracelet White Mother of Pearl dial 12 Diamond hour markers Omega Movement - Caliber  1376 with Rhodium rhodium-plated finish This watch is also known as 12320276055002