Fine Swiss gold repeater watch both sides pearls Circa 1800

Fine gold repeater with pearls on both sides
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A Swiss quarter repeating verge watch, special enamel technique, Louis Duchène et Fils, Genève circa 1800.
18 Carat gold, fine case with sound openings on sides, pearls on both sides, prime quality enamel painting on back, fine Geneva verge movement with polished steel coqueret pierced and engraved bridge cock and silver regulator disc with gilt indicator, repeating hours and quarters on a bell by pushing the pendant main plate signed and numbered, original and signed enamel dial, original gold hands
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Diameter: 45 mm
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Weight: 72 g
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Signed: Duchène et Fils
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Mint Quality. Duchène et Fils 1790-1820 Geneve. Probably original gold key included.
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Reference 0024000