Swiss 18k gold, enamel and diamond set lever Circa 1880-1899

Enamel and diamond set lever by Grand Jean
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A Swiss 18-carat gold, enamel and diamond set hunting cased keyless lever pocket watch, circa 1880-1899. 3/4 Plate nickel finished jewelled lever movement, three armed balance. Gold cuvette. Silvered and gilt dial, engraved central zone with gilt swag enhancements, outer engine turned chapter ring with Roman numerals, engine-turned subsidiary seconds, all surrounded by gilt sway motif. Scalloped shaped case, front cover with black enamel background polychrome enamel putti set around a blue-grey enamel urn, polychrome leaves, centred by rose cut diamonds, back cover with black enamel background centred by putti in a blue-grey plaque with polychrome enamel leave motif, bezel and rim with blue and white enamel floral motif. Cuvette, dial and movement signed and numbered, case numbered.
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Diameter: 40 mm
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Signed: Grand Jean & Co Locle & London