Swiss calendar lever in a silver full hunter case Circa 1860

Swiss calendar silver hunter
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A Swiss calendar lever in silver full hunter case, circa 1860. Gilt three quarter plate keywind movement with going barrel. Plain cock with polished steel regulator, plain three arm gilt balance with blue steel spiral hairspring. Club foot lever escapement. Signed white enamel dial with subsidiaries for day, date and seconds, Roman numerals, blue steel hands. Faded engine turned silver full hunter case marked ‘Warranted coin Silver’. Wound and set through the brass cuvette.
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Diameter: 45 mm
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Signed: John Barrel Locle