71,250 HKD
PIAGET REF. 900B "20 DOLLAR" COIN WATCH Piaget, Twenty Dollar Coin Watch, Ref. 900B, movement No. 687994. Made in the 1970's. Very fine, 18K yellow gold wristwatch with 18K yellow gold Piaget buckle. Set in a U.S. 20 Dollar gold coin dated 1892 with concealed watch. Accompanied by a box. Double case, coin opening with a push-piece in the band, three-body hinged inner case. Satine salmon with painted baton indexes. Blued steel baton hands. Cal. 9P, rhodium-plated, 18 jewels, straight-line lever escapement, monometallic balance, self-compensating fl at balance spring, shock absorber, micrometer regulator. Dial, case and movement signed. Diam. 39.5 mm. Thickness 4.5 mm.
Auctioneer:
Antiquorum
Date:
2012-06-23
