Audemars Piguet, Very Rare and fine Ref: 5656BC, 18k Openwork Pocketwatch, Circa 1970 Case: 47mm wide, 8mm thick, 18k white gold, open face and caseback, art deco style with diamond bezel and bail, No. 62456 Dial: open dial, blued leaf shape hands Movement: Audemars Piguet Cal. 17IW, Manual wind, openwork and hand engraved, No. 102636 Signed: Audemars Piguet on case and movement According to the archives at Audemars Piguet, this timepiece was original sold in the US in 1971. It is accompanied by its AP travel pouch.