Piaget. An 18ct gold coin concealed face wristwatch
18-Jewel, Cal. 9P, manual wind movement, copper dial with painted black baton indexes, baton hour and minute hands, watch concealed in a US gold coin, crown at 2 o'clock, pusher at 3 o'clock to unveil the watch, 18ct gold case with Lady Liberty on the front, United States of America Twenty Dollar with American eagle on case back, coin edge, leather strap with original 18ct gold buckle, dial and movement signed. 35mm.