Case material: Yellow gold; Charge: Quartz; Conditions: New Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 123.55.27.60.55.003 Omega 123.55.27.60.55.003 Complete Details: Brushed 18kt yellow gold case and bracelet Bezel set with 28 diamonds Mother of pearl shell dial with 12 diamond hour markers Omega Movement - Caliber  1376 with rhodium-plated finish Power reserve of 32 months This watch is also known as 12355276055003