Swiss 18K yellow gold hunting cased dress watch Circa 1981

Gold keyless lever dress watch
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A very fine Swiss, hunting cased, keyless, 18K yellow gold dress watch, circa 1981. Accompanied by the original Patek Philippe box, Certificate of origin and booklet. Retailed by Beyer, Zurich. Sold on March 14, 1981. A polished case, white enamel dial with painted radial Roman numerals, and outer minute track. Black Louis XVI hands. Movement stamped twice with the Seal of Geneva Quality Mark, rhodium-plated, Geneva striping decoration, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and five positions, self-compensating Breguet balance spring, swan-neck micrometre regulator. Dial, case and movement signed, dial also signed Beyer.
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Diameter: 48 mm
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Signed: Patek Philippe  Genève