Swiss diamond set gold and enamel quarter repeater Circa 1770

Gold and enamel quarter repeating verge pocket watch
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A Swiss quarter repeating verge pocket watch in a diamond set gold and enamel consular case with silence option, circa 1770.
Full plate gilt fusee movement. Finely pierced and engraved bridge cock with steel coqueret, plain three-arm gilt balance with blue steel spiral hairspring. Silver regulator dial with blue steel indicator. Push pendant quarter repeating on a bell in the case. Winding through the fully restored white enamel dial, Arabic numerals, gold hands. Gold consular case pierced to allow the bell to sound clearly. Engraved bezels decorated with translucent blue champlevé enamel and a border of small diamonds. The back of translucent dark blue enamel with a diamond-set monogram and coronet above. Diamond set gold bow, a large diamond set at the end of the pendant, and another in the case button. A small pulse piece in the front bezel and a slide under the bezel to allow the watch to be set to repeat à toc.
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Diameter: 42 mm
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Weight: 78 g
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Signed: No name