PIAGET REF. 9025 70'S Extra-flat wristwatch in 18K (750) yellow gold on leather. Case: round, extra-flat, snap-back. Dial: silvered, painted Roman numerals, blackened hands. Movement: mechanical, cal. extra-flat 9P, 18 jewels, N° 730'185 Strap: leather with yellow gold buckle, signed Piaget. Dial, case and movement signed. Numbered 551'034. Diameter: 30 mm Gross weight: 27.5 g