CARTIER TANK AMERICAINE MOON PHASE Reference: 819908. Serial number: 000367. 18k yellow gold case. White dial with Roman numeral hour markers, moon phase display and date indication via a hand. Quartz movement (in working order). Leather strap with a signed yellow gold folding clasp. Sapphire crystal. Circa 1990. Dimensions: 23.5 x 40 mm. Gross weight: 47.8 g. Supplied with its original case. An 18k gold wristwatch with a quartz movement, by Cartier. Circa 1990. RC: Sold as is, with signs of wear and use. Movement in working order at the time of writing this description, no warranty.