Swiss three colour gold quarter repeating verge Circa 1780

Gold quarter repeating Swiss verge pocket watch
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A Swiss quarter repeating verge in a three-color gold consular case, circa 1780. 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 cracked bell in the case. Winding through the signed white enamel dial with Roman and Arabic numerals, gilt hands. Gold consular case, oval scene in a cartouche on the back of three-color gold applied gold rope bands to the back and bezel.
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Diameter: 42 mm
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Depth: 9 mm
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Signed: Jn Louis Patron Genève