Hi
@Vitezi. Thanks for your quick reply. I’m not sure how to describe it, I mean most chronos from that time period seem to have just a simple
tick line for each second/minute/hour mark in the subdials (sometimes with elongated marks for 3/6/9 in the minute subdial). Here it is lines within a ring for the minute and running second sub dial.
But then this one here has the same subdial style, also with differing hand between the running second and minutes subs, although in a bi-compax layout only (
https://www.gros-delettrez.com/lot/86437/7804755?)