Brand: Piaget
Model: Twenty Dollar Coin Watch, Ref. 900B11
Movement: Manual, Cal. 9P, 18 Jewels
Functions: Hours, minutes
Features: Hinged case design with a genuine gold coin as part of the case; a square pusher to open the front
Case Material: 18K yellow gold
Case Diameter: 35mm
Case Thickness: 5.8mm
Crystal: Sapphire
Strap Bracelet: 18K yellow gold Piaget integrated mesh bracelet, max length 200mm
Lug Width: N/A
Year: Circa 1984
Accompanying Materials: Piaget certificate or origin and warranty, instruction manual, product literature, care card and presentation box