Swiss 14K rose gold quarter repeating keyless lever Circa 1920

Rose gold open faced repeating keyless lever by Didisheim
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A fine Swiss 14 carat rose gold open faced quarter repeating keyless lever pocket watch, circa 1920. Rhodium-plated movement, Geneva striping decoration, 15 jewels, straight-line lever escapement, monometallic balance, blued steel Breguet balance spring with overcoil, index regulator, repeating on gongs activated by a slide on the band. Gold hinged cuvette. White enamel dial with Arabic numerals, outer minute divisions, subsidiary seconds and original blued steel spade hands. Polished case. Movement signed, case numbered.
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Diameter: 47.5 mm
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Signed: H.A. Didisheim Swiss