Rose gold filled lever dress watch with calendar Circa 1920

Open faced keyless lever watch by LeCoultre
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An unusual Swiss 14 carat rose gold filled open faced keyless lever dress watch with calendar, circa 1920. Export nickel finished lever movement, stamped VXN, 17 jewels, bimetallic compensation balance. Pink dial with Arabic numerals, outer calibrated minute track, inner date ring with central date hand, day aperture under the 12 position. Polished American case, snap on back. Dial sigend, movement numbered and signed by maker, case numbered and stamped Keystone.
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Diameter: 45 mm
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Signed: LeCoultre