Swiss 18k pink gold open faced lever dress watch Circa 1960

Pink gold watch with a two-tone silver dial
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A fine and elegant Swiss, keyless, 18K pink gold dress watch, circa 1960. Accompanied by the Extract from the Archives and the original Certificate of Origin. Made in the late 1960s, sold in August 1972. A solid, polished case, stepped bezel, circular bow. Two-tone silver dial, with applied gold baton and dot indexes and Arabic quarter-hour numerals, outer dot minute divisions, subsidiary seconds dial. Gold baton hands. A rhodium-plated movement, Geneva striping decoration, 18 jewels, stamped twice with the Seal of Geneva Quality Mark, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and five positions, blued steel flat balance spring, index regulator. Dial, case and movement signed.
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Diameter: 47 mm
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Signed: Patek Philippe & Cie  Genève