Horological Meandering

SIDUNA M-3440-051010 Selfwinding Bi-Compax Chronographe ...  

I’ve never seen that one before

The frame reproduces a design from Ervin Piquerez SA from 1968 that was used by more than half-a-dozen brands such as Breguet, Bucherer, Heuer, Lemania, Rodania, Sinn, Breitling, and Wakmann. The M3440 is in most of its aspects a faithful reproduction of ...