| An early 20th Century English centre seconds lever chronograph in a silver open face case. Gilt three quarter plate keyless movement with going barrel. Engraved bridge to the escape and lever, engraved cock with polished steel regulator. Compensation balance with white metal overcoil hairspring.
English table roller lever escapement, screwed in jewelling, escape and lever pivots with endstones . White enamel dial marked "Non-Magnetic" in red. Centre seconds, Roman numerals, gilt hands. Substantial plain silver open face case with gold slide in the band to stop the balance, gilt winding button. Flat crystal glass, maker's mark "IJTN" in a rectangle and number corresponding to that on the movement.
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