English silver pair cased verge automaton watch Circa 1831

Silver and enamel open faced verge with automaton by John Burton
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An English silver and enamel pair cased keywound verge watch with automaton, circa 1831. Full plate gilt finished verge movement, chain fusée, pierced and chased balance cock, rounded pilasters. Polychrome enamel dial, outer white chapter ring, Roman numerals, central zone fortress scene with red coats, aperture with rotating disc with red coats. Polished silver inner and outer cases. Movement signed, case stamped with case maker’s initial JB and London date letter, outer case stamped with case maker’s initials WR and London date letter, pendant stamped WC.
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Diameter: 57 mm
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Signed: John Burton Leeds