| An early 20th Century Swiss 30 minute recording split seconds chronograph lever in a silver open face case. Nickelled three quarter plate keyless movement with going barrel. Polished steel 30 minute recording flyback chronograph work above the plates with the split seconds work mounted above. Plain
cock with polished steel regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. White enamel dial with subsidiaries for seconds and 30 minute record, split centre seconds flyback chronograph, Arabic numerals, blue steel hands. Engine turned silver open face case, gilt winding crown with flyback chronograph button, silver split seconds button in the band. Silver cuvette with later crude dedication.
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