Swiss champlevé enamel lady’s pendant watch with box Circa 1983

Gold pearl and champlevé enamel keyless lady’s pendant watch
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A very fine and rare 18 Carat gold pearl and champlevé enamel keyless lady’s pendant watch. Accompanied by a Patek Philippe box and the set made by Patek Philippe in Genéve circa 1983. Three body and demi bassine case with an engraved band and bow, royal blue champlevé enamel bezel and the case back decorated with engraved scrolls on a translucent royal blue champlevé enamel background.
White dial with radial Roman numerals, outer minute track and gold Breguet hands. Rhodium-plated movement with Geneva striping decoration, stamped with the seal of Geneva quality mark, 18 jewels, straight-line lever escapement, Gyromax balance, adjusted to heat and cold, isochronism and five positions, self-compensating balance spring and shock absorber.
Dial, case and movement signed.
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Diameter: 33 mm
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Signed: Patek Philippe, Genève