Swiss 18k gold half-skeletonized cylinder pocket watch Circa 1820

Gold quarter repeating pocket watch
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A thin Swiss, 18K gold, quarter repeating, half-skeletonized pocket watch, circa 1820.
An engine-turned border, fluted band. Hinged Gilt transparent cuvette. White enamel dial, annular with Arabic hour numerals and outer minute track, centre disclosing the repeating work. Blued steel Breguet hands. Gilt brass movement, skeletonized and foliate engraved, going barrel, cylinder escapement with steel escape wheel, plain steel three-arm balance with a flat balance spring, index regulator, repeating on steel gongs with visibly shaped hammers activated by depressing the pendant. Dial signed.
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Diameter: 54 mm
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Signed: No Name