Swiss 18K gold double dialed hunting cased lever Circa 1890

Gold double dialed full hunter by Courvoisier Frères
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A fine and rare Swiss 18 carat gold double dialed hunting cased keyless lever pocket watch, circa 1890. Gilt finished jeweled lever movement, bimetallic compensation balance. One dial white enamel with Roman numerals, outer minute track and sunken subsidiary dial, the second dial skeletonized with exposed balance wheel, gilt engraved chapter ring and Roman numerals, both with blued steel hands. Engine turned case, plaque to both covers, slide for hand setting in the coin edge band. Dial and movement signed, case numbered.
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Diameter: 51.2 mm
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Signed: Courvoisier Frères Chaux-de-Fonds Suisse