Swiss gold open faced lever keyless dress watch Circa 1944

Gold keyless lever watch by Patek Philippe
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A very fine, rare Swiss 18 carat gold open faced lever keyless dress watch, made in the 1940’s. Rhodium-plated movement, Geneva Striping decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometre regulator. Black enamel dial with applied faceted gold baton indexes, outer minute track, sunken subsidiary seconds and original gold dauphine hands. Plain case. Dial, case and movement signed, case and movement numbered. Accompanied by the Extract from the Archives.
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Diameter: 44 mm
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Thickness: 10 mm
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Signed: Patek, Philippe & Cie Genève