Swiss gold hunting cased keyless dress watch Circa 1920

Gold lever by Patek Philippe
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A Swiss 18 carat yellow gold hunting cased keyless dress watch, circa 1920. A solid, polished case, hinged gold cuvette. White enamel dial with painted large Breguet numerals, outer minute track, sunk subsidiary seconds dial and blued steel spade hands. Frosted gilt movement, 15 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring. Dial, case and movement signed.
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Diameter: 50 mm
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Thickness: 11 mm
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Signed: Patek Philippe  Genève