Swiss repeater in gold and enamel triple cases Circa 1760

Gold and enamel verge repeater by Jean Robert Soret
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A Swiss gold and enamel triple cased quarter repeating verge, circa 1760. Full plate fire gilt movement with signed and numbered gilt dust cover, pierced and engraved masked cock, garnet endstone, silver regulator disc, fusee and chain with ratchet and click barrel set-up between the plates, plain three-arm gilt balance, blue steel spiral hairspring. Push pendant quarter repeating on a bell in the case. Signed white enamel dial with Roman and Arabic numerals, decorative stone set white metal hands. Three cases, the gold inner pierced and engraved, gold push pendant and bow. Two-colour gold outer case, front bezel set with a row of white stones, the back with a young lady in classical dress and floral hat, around this a border of dark blue translucent enamel overlaid with stones in a pierced white metal setting. Protective outer case with glazed back.
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Diameter: 42 mm
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Signed: Jean Robert Soret