Cal. 9 is a monopusher 17.5 ligne (39 mm) chronograph movement produced by Landeron.
Although some sources suggest that it was produced in the 1950s, the design and appearances are more reminiscent of the 1920s or 1930s.
Landeron 9
Cal. 9 is a monopusher 17.5 ligne (39 mm) chronograph movement produced by Landeron.
Although some sources suggest that it was produced in the 1950s, the design and appearances are more reminiscent of the 1920s or 1930s.