Swiss gold pair cased gold enamel pocket watch Circa 1800

Gold decorative pearl set watch 
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A  very fine pair cased gold enamel pocket watch, circa 1800. The case is gilt, engraved, a goutte, the back cover engine turned, translucent cobalt blue enamelled, polychrome miniature painting of a young woman, wearing a diamond set flower wreath, aside a half pearl-set vase with golden half pearl-set foliate scrolls, half pearl set bezels on the front and back side. Dial is enamel, Arabic numerals, pyramid hands. Full plate movement, firegilt, engraved, signed,  chain/fusee, pierced balance bridge,  three arm brass balance, solid movement pillars.
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Diameter: 59 mm
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Weight: 115 g
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Signed: Jean Gabriel Gay a Geneve