Swiss 18k yellow gold hunting cased keyless watch Circa 1927

Yellow gold lever pocket watch
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A yellow gold keyless hunting cased watch, circa 1927. Jewelled moustache lever movement, wolf tooth winding, precision regulation, stamped twice with the seal of Geneva, white enamel dial, Arabic numerals, outer minute track, subsidiary seconds, blued steel Breguet hands, 18k yellow gold engraved hunting case, case, dial and movement signed.
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Diameter: 52 mm
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Signed: Patek Philippe Geneve
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Accompanied by a Patek Philippe Extract from the Archives confirming the date of sale on October 27th 1927, and a later presentation case.