Swiss gold half hunting cased lever pocket watch Circa 1905

Golf half hunter Extra Quality by Patek Philippe
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Extremely fine and rare Swiss 18 carat gold half hunting cased keyless pocket watch, circa 1905. Sold on the 2 February 1905. Lever movement, precision Guillaume balance with gold and platinum adjustment screws and micrometer regulator. White enamel dial with Roman numerals and sunken subsidiaary seconds. Plain case. Dial signed, case and movement signed and numbered. Comes with an Extract from the archivies.
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Diameter: 52 mm
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Signed: Patek, Philippe & Cie Genève
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The movement is of the very highest grade for a watch without complications.