Case material: Steel; Charge: Quartz; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation € 5850 Gmtbroker Reference: 123.25.27.60.55.004 Omega 123.25.27.60.55.004 Complete Details: Brushed 18KT Yellow gold and Stainless steel case and Bracelet Textured White Mother of Pearl dial 12 Diamond hour markers Bezel set with 28 Diamonds Omega Movement - Caliber  1376 with Rhodium rhodium-plated finish This watch is also known as 12325276055004