English gold verge watch with matching chatelaine circa 1800

Gold open faced pocket watch
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A yellow gold, enamel and pearl-set verge watch with matching chatelaine, circa 1800. Gilt full plate verge movement, finely pierced and engraved balance cock, fusée and chain, white enamel dial, Arabic numerals, gold case, back with translucent green enamel over an engine-turned ground, central pearl-set decoration, pale blue and white enamel decoration to both bezels and pendan, gold, enamel and pearl-set chatelaine terminating in two tassels, key and seal.
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Diameter: 49 mm
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length of chatelaine 22.5 cm
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Signed: No Name