Swiss yellow gold and enamel open-faced watch Circa 1830

Gold and enamel open-faced watch
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A Swiss yellow gold and enamel open-faced watch, circa 1830, gilt movement, cylinder escapement, 4 jewels, plain three-arm balance, index regulator, gilt cuvette.
Silver textured dial, Roman numerals, yellow gold case, black and white enamel to both bezel, polychrome champlevéenamel with foliate and floral decoration to the case back, matching enamel decoration to the bow cuvette signed and numbered.
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Diameter: 39 mm
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Signed: Aubert & Capt. Genève