English centre seconds lever watch in a silver case Circa 1901

English centre seconds chronograph
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An English centre seconds lever in a silver open-faced case, hallmarked Chester circa 1901. Gilt three-quarter plate keyless movement with going barrel. Plain cock with polished steel regulator, compensation balance with blue steel overcoil hairspring. English table roller lever escapement, screwed in jewelling. White enamel dial with center seconds, signed and numbered by the retailer. Roman numerals for time and Arabic numerals for the chronograph scale, blue steel center seconds hand, gilt hands. Substantial plain silver open-faced case with vacant shield and garter on the back, silver cuvette. Gold handset, hinge and slide button in the band to stop the balance. Maker’s mark ‘JMK’.
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Diameter: 54 mm
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Signed: J. Hines Coventry