Swiss gold open faced musical quarter repeater Circa 1830

Gold quarter repeating musical cylinder watch
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A Swiss 18 carat gold open faced quarter repeating keywound musical cylinder pocket watch, 1830. Gilt movement with fixed going barrels for the going and musical trains, cylinder escapement, gold three armed balance, flat balance spring, repeating on gongs by depressing the pendant. Gilt cuvette. Gilt engine turned dial, blue enamel inner border dividing the center zone from the outer engraved chapter ring with white enamel cartouche with Arabic numerals. Engine turned case, coin edged band, hinged back with small eccentric plain medallion, lever at 8 o’clock under the cuvette for music/silent mode. Case numbered, rubbed lorzenge case makers mark.
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Diameter: 58 mm
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Signed: No name