Danish gold and enamel keyless lever dress watch Circa 1920

Gold and enamel open faced keyless lever by Jules Jürgensen
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A Danish 18 carat gold and enamel open faced keyless lever dress watch, circa 1920. Nickel finished jeweled lever movement, bimetallic compensation balance. Inscribed gold cuvette. Silvered matte dial with applied Breguet numerals, outer dot minute track, subsidiary seconds and blued steel moon hands. Polished case, blue enamel Greek key design to the bezel and rims, pendant and bow. Case, cuvette, dial and movement signed, case, cuvette and movement numbered, case stamped JJ.
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Diameter: 45 mm
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Signed: Jules Jürgensen Copenhagen