Swiss gold and enamel pocket watch with date Circa 1800

Rare big sized gold pocket watch
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An 18 carat gold cased pocket watch with 18 carat gold punch and date fine enamel painting on the back, fire-gilt verge movement, circa 1800.
Signed main plate, square pillars, very beautiful white enamel dial, is also signed, date with hand in centre, high-grade and original pink gold hands.
In excellent good condition.
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Diameter: 68 mm
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Weight: 185 g
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Signed: Joseph Bossen  Gèneve
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Enamel painting with minimal peripheral craquelling.