English lever watch in a gold open-faced case Circa 1897  

Gold open-faced English lever
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An English lever in a gold open-faced case, hallmarked London circa 1897. 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, escape and lever pivots with endstones. White enamel dial with subsidiary seconds, Arabic numerals and blue steel hands. Substantial plain 18-carat open-faced case. Maker’s mark ‘PW’ in an oval and number corresponding to that on the movement.
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Diameter: 49 mm
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Signed: Wright and Craighead Succr to Bracebridges Clerkenwell London

A excellent example of late English watchmaking.