Case material: Yellow gold; Charge: Quartz; Conditions: New Presentation condition : With dealer guarantee ; Model: Ballon Bleu Price on request Gmtbroker Reference: w6900156 Cartier w6900156 Complete Details: Polished 18KT yellow gold case. Black alligator strap with tang buckle Silver opaline dial Black Roman numeral hour markers Sword shaped blued steel hands Crown set with a blue synthetic cabochon Cartier calibre 057 quartz movement This watch is also known as w6900156