细节
Piaget: A gold coin watch consisting of a watch mounted in a U.S. $20.00 coin, the top cover released by a concealed catch in the band, the gilt dial with baton numerals, the movement contained in a hinged dust ring, jewelled to the centre adjusted to five positions and to temperature, signed and No.7610395, with certificate of origin
34mm.diam.
34mm.diam.