Case material: Steel; Charge: Quartz; Conditions: Excellent Year : 2014; Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 12310276005001 This Constellation Omega is in excellent pre-owned condition complete with box, manuals & guarantee dated 15th September 2014. The case bears the serial number 920*****. The model number is 12310276005001. Xupes 12 month warranty. Our Xupes reference is COM365 should you need to quote this.