Case material: Yellow gold; Charge: Quartz; Conditions: Excellent Year : 1990; Presentation condition : With dealer guarantee ; Model: Travel Price on request Gmtbroker Reference: 51/8898 This Chopard Travel Clock is in excellent condition complete with Xupes Presentation Box. The case bears the serial number 51/**************. The model number is 51/8898. Xupes 12 months warranty. Our Xupes reference is W1869 should you need to quote this.