Swiss gold open faced keyless lever dress watch Circa 1929

Gold keyless lever by Patek Philippe
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A fine Swiss 18 carat gold open faced keyless lever dress watch, circa 1929. Nickel finished jewelled moustache lever movement, wolf tooth’s winding. Two-tone silvered sector dial with applied gold Arabic and black hard enamel baton numerals, engine turned subsidiary seconds. Engine turned case back with engraved initials S.P.F. Case, dial and movement signed, case and movement numbered.
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Diameter: 46 mm.
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Signed: Patek, Philippe & Cie Genève