Swiss platinum keyless lever dress pocket watch Circa 1935

Platinum open faced dress watch
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A thin Swiss platinum keyless dress pocket watch, circa 1935. A solid, polished case, snap-on case back. Satine silver dial with applied radial Roman hour numerals, and outer minute dots. Pink gold cathedral hands. Rhodium-plated movement, Geneva striping decoration, 19 jewels, straight-line lever escapement, cut bimetallic compensation balance adjusted to six positions, blued steel flat balance spring, swan-neck micrometre regulator. Dial, case and movement signed.
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Thickness: 8 mm
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Diameter: 42 mm
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Signed: Paul Vallette  Swiss
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The case is slightly scratched, the dial is reprinted and the plating of the movement has deteriorated.