Thin Swiss 14k gold open faced lever dress watch Circa 1915

Gold keyless lever by Patek Philippe
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A very fine, thin Swiss 14 carat gold open faced keyless lever dress watch, circa 1915. Made for L.M. Lilpop, Fournisseur de Sa Majeste, Varsovie (Poland). Rhodium plated movement, 17 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, index regulator. Gold hinged cuvette. Frosted silver dial with blue Breguet numerals on white enamel circular reserves, outer white enamel minute track, subsidiary seconds and original gold Breguet hands. Plain case. Dial, case, cuvette and movement signed, case numbered. Comes with Extract from the Archives.
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Diameter: 49 mm
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Signed: Patek, Philippe & Cie Genève