Swiss gold and diamond set skeletonized lever Circa 1977

Gold and diamond set skeletonized watch and chain by Audemars Piguet
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A rare Swiss 18 carat gold and diamond set open faced skeletonized keyless lever pocket watch and chain, circa 1977. Skeletonized engraved lever movement, 17 jewels and blued steel hands. Case with diamond set bezel, back rim and bow approximately 5.20 carats. Comes with associated 18 carat gold and diamond set watch chain with pearl set and diamond end bead. Case signed and numbered, movement signed.
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Diameter: 46 mm
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Signed: Audemars Piguet