Piaget, an 18ct gold and opal-set bracelet watch ref 9154B12 no 251975 circa 1970 Manual winding movement, 18 jewels opal-set dial, rectangular case with reeded bezel, snap on back case, dial and movement signed to an integrated 18ct gold Piaget bracelet, length 27 mm, overall length 204 mm. Accompanied by a Piaget box.