Elegant Swiss gold lever dress watch with chain Circa 1957

Gold keyless lever by Patek Philippe 
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A very fine, elegant Swiss 18 carat gold keyless lever dress watch accompanied by a long gold chain with oblong links, circa 1957. Sold on May 11th, 1962. Rhodium-plated movement, Geneva Striping decoration, stamped twice with the Seal of Geneva Quality Mark, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance adjusted to heat, cold, isochronism and five positions, blued steel Breguet balance spring, swan-neck micrometre regulator. Two-tone silvered dial with engine turned chapter ring, applied gold faceted dart indexes and Arabic 12, outer dot minute indexes, subsidiary seconds divided into four sectors, original gold dauphine hands. Case with polished concave bezel, brushed band, tapered hinged bow, brushed back cover with polished border. Dial, case and movement signed, case and movement numbered. Accompanied by the Extract from the Archives.
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Diameter: 48 mm
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Signed: Patek Philippe Genève