Elegant Swiss gold watch with matching chatelaine Circa 1800

Gold watch with lever escapement
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An elegant Swiss 18 carat gold, enamel, diamond and pearl-set pocket watch, circa 1800. With matching detachable gold chatelaine, enamel, diamonds and pearl chatelaine with key and seal. A solid case, hinged the bezel with blue enamel and split pearls set within gold chatons, matching the outer reverse to a royal blue enamel centre with a diamond set circular wreath, central oval blank glazed compartment with a diamond border. White enamel dial, black Roman numerals, outer minutes, winding aperture. Full plate, gilt movement, engraved top plate, turned pillars, fusee barrel with lever escapement, single-footed cock with diamond end-stone, steel three-arm balance, flat hairspring, silver regulation dial. Movement signed and numbered.
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Diameter: 47 mm
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Thickness: 17 mm
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Signed: Darlyng York  Swiss