PIAGET COIN WATCH 1990S Liberty' $20 coin watch in 18K yellow gold. CASE: round hinged, face dated 1897, fluted caseband and press stud for opening at 3 o'clock. DIAL: copper-coloured, painted baton hour-markers, blued steel hands. MOVEMENT: mechanical, extra-flat, cal. 9P, N°9401362. Dial, case and movement signed. DIAM. 34 mm. GROSS WEIGHT: 36.08 g. WITH: original case with box, certificate (purchased from Arfan, Paris). CONDITION REPORT ON REQUEST CONDITION REPORT ON REQUEST A 18K yellow gold manual winding 20 dollars "Liberty" coin watch by Piaget, circa 1990.