Ladies vintage Cartier Ceinture octagonal 18kt yellow gold watch. Black leather and 18kt gold mounted watch band - stamped, "18K Cartier", with additional stamps of an Italian national mark signifying a city origin of Milan, "750 BC", and a serial no. "I 649 59". Cartier watch movement, 17 rubis. Interior of watch case stamped, "18 202 18K 0.750 18K Swiss", with a Swiss domestic gold hallmark of Helvetia representing .750 gold, and a city stamp of, "C" signifying La Chaux-de-Fonds". Exterior of watch backing stamped, "Cartier Paris 781000754". Total approx. weight of watch and bracelet is 20.4 dwt (gross). From a Long Island, NY estate. Dimensions: watch case measures approx. 24.5mm x 24.5mm.