An early 20th Century Swiss minute repeating lever chronograph in a silver open face case. Gilt three quarter plate keyless lever movement with going barrel. Plain cock with polished steel regulator, uncut bimetalic balance with overcoil hairspring. Club foot lever escapement. White enamel dial with flyback centre seconds. Red Arabic numerals, around the edge for “Miles per hour from 1/4 mile distances”. Roman numerals, blue steel hands. Plain silver open face case with silver bow, gilt winding button and chronograph push piece.