English silver and enamel triple-cased pocket watch Circa 1740

Silver, enamel and tortoiseshell verge watch by Nicholas Walter
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A beautiful English triple-cased verge pocket watch, estimated to be from around 1740.
The watch has a fire gilt verge movement. It features an enamel dial with Roman radial hours, an arcaded minute ring with Arabic five-minute numerals, a polychrome enamel painting in the centre, and gilt steel hands. The watch is housed in three cases: a silver and tortoiseshell decorated case, a repoussé and engraved case with a polychrome enamel painted portrait in the centre, and a plain silver case.
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Diameter: 60 mm
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Signed: Walter London
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Marking:
LC