Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Ballon Bleu Price on request Gmtbroker Reference: w6900551 Cartier w6900551 Complete Details: Polished 18KT yellow gold case Black alligator strap with 18kt yellow gold deployant buckle Silver opaline dial Black Roman numeral hour markers Displays date at 3 o'clock position Sword shaped blued steel hands Crown set with a blue synthetic cabochon Cartier caliber 049 automatic movement This watch is also known as w6900551