AUDEMARS PIGUET Reference: 544. Serial number: B 57544. 18k yellow gold case, champagne-coloured dial, applied logo at 12 o'clock. Hand-wound mechanical movement (calibre ). Twisted yellow gold link bracelet with signed folding clasp. Sapphire crystal. Circa 1975. Size: 28 x 34 mm. Gross weight: 80.2 g. An 18k gold wristwatch mechanical movement, by Audemars Piguet. Circa 1975. RC : Sold as is, with traces of wear and use. Movement functional at the time of description, need to be serviced, no warranty.