Case material: Steel; Charge: Quartz; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.15.27.60.55.004 Omega 123.15.27.60.55.004 Complete Details: Polished Stainless steel case and Bracelet Bezel set with 28 diamonds White textured Mother of Pearl dial 12 Diamond hour markers Omega Movement - Caliber  1376 with Rhodium rhodium-plated finish This watch is also known as 12315276055004