Piaget ref 13431A6 An 18ct gold cushion-form bracelet watch with date, circa 1973. Dial: bark effect gilt Calibre: cal. 12PCI automatic with micro rotor, 30 jewels. Movement number: 722950. Case: 18ct gold, back secured by 4 screws. Case number: 212 415. Closure: integrated 18ct gold bark finish Piaget bracelet and clasp. Dimensions: 32 mm diameter, overall length approximately 195 mm. Signed: case, dial and movement. Accessories: Piaget certificate of origin and guarantee dated 1 June 1973 and presentation box