Swiss gold and enamel keywound verge watch Circa 1830

Gold and enamel verge by Balsiger et Fils
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A Swiss gold and enamel open faced keywound verge watch, circa 1830. Keywound verge movement, chain fusée. Engine turned gold dial with two-coloured gold chased and engraved foliate border and Roman numerals on cartouches. Scalloped case, chased and engraved foliate bezel, the reverse with a small oval polychrome enamel plaque painted with a maiden against a radiating chased and engraved scroll motif. Dial and movement signed.
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Diameter: 47 mm
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Signed: Balsiger et Fils à Genève