Piaget Polo Ref 15301 K51 an 18ct gold square bracelet watch circa 1980. Model: polo. Dial: brushed and polished, ribbed with polished and black accents, polished lance hands. Calibre: quartz. Case: 18ct brushed and polished gold square, back secured by 4 screws. Case number: 498021. Closure: Piaget integral brushed and polished link and folding clasp. Signed: case, dial and movement. Size: 24 mm x 16 mm. Accessories: four additional links, setting pin