Cal. 53 is a cam switching chronograph movement produced by Landeron. It was derived from the 14.5 ligne column wheel Cal. 52 and Cal. 39 rather than the popular 13.75 ligne Cal. 48 family.
Landeron 53
Cal. 53 is a cam switching chronograph movement produced by Landeron. It was derived from the 14.5 ligne column wheel Cal. 52 and Cal. 39 rather than the popular 13.75 ligne Cal. 48 family.