Gold Swiss quarter repeating pocket watch Circa 1820

Gold  Swiss quarter repeating verge
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A Swiss quarter repeating verge in a gold open face case, circa 1820. Full plate gilt fusee movement. Finely pierced and engraved bridge cock with garnet endstone, plain three arm gilt balance with blue steel spiral hairspring. Silver regulator dial with blue steel indicator. Push pendant quarter minute repeating on two steel gongs. Winding through the white enamel dial which has Arabic numerals and blue steel Breguet hands. Engine turned 18 Carat open faced case with ribbed middle and sprung gilt metal cuvette.
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Diameter: 52 mm
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Signed: No Name