Bidspirit auction | 18k Y. Gold Piaget Watch

18k Y. Gold Piaget Watch 1895-S USA $20 Gold Coin - Piaget 18k yellow gold watch (NOT running) hinged into (or what appears to be) an 1895-S United States $20 gold Indian head double eagle (San Francisco Mint) coin. There is a hidden spring release button set into the rim of the coin which allows the cover (coin obverse) to spring open, and the watch is hinged at the bottom into coin. Coin is stamped (unreadable) on the inner rim and the watch is marked 750 and 18k. Coin diameter approximately 35mm. Width approximately 4mm. Total weight 36.35g.