Swiss 18k white gold full hunter pocket watch Circa 1978

A Swiss 18 carat white gold keyless wind full hunter pocket watch, circa 1978. 18 Jewel Cal.17-170 Swiss lever movement, adjusted to heat, cold, isochronism and 5 positions, Seal of Geneva. White enamel dial, black Roman numerals, black outer minute track and black painted Louis XV style hands. Polished hinged case. Case, dial and movement signed. With Patek Philippe case, Certificate of Identity and Guarantee of origin and Information booklet.
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Diameter: 48 mm
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Signed: Patek Philippe Genève