| An unusual late 19th Century Swiss lever with unusual six minute flyback chronograph in a gunmetal open face case. Gilt three quarter plate keyless movement with going barrel, grained steel chronograph work above the plates. Plain cock with polished steel regulator, uncut bimetallic balance with
overcoil hairspring. Club foot lever escapement. White enamel dial with twelve coloured sectors, their borders at the five minute marks the Arabic numerals inside them offset slightly anticlockwise. The flyback centre seconds chronograph unusually rotating only once every six minutes, blue steel hands. Plain gunmetal open face case with gilt hinge, thumb piece, winding button and bow.
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