| An early 20th Century minute recording flyback chronograph in a silver half hunter case. Gilt three quarter plate keyless movement with going barrel. Engraved cock with polished steel regulator, compensation balance with blue steel overcoil hairspring. English table roller lever escapement.
Signed white enamel dial, subsidiaries for 30 minute record and continuous seconds. Roman numerals and small red chronograph marking for the flyback centre seconds, blue steel hands. Plain silver half hunter case with blue enamel chapter ring, gilt winding button and small button at twelve to operate the chronograph. Plain silver cuvette, maker's mark "JW&Co" in a rectangle.
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