I am in the process of restoring a Landeron 50, and all the eccentrics are out of whack. Some I've managed to adjust correctly by trial and error- the depthing between the driving wheel, coupling wheel and chronograph runner. But the others have got me going round in circles. It also seems to me that there is probably a correct order in which to adjust them.   So, my question is, does there exist either the original technical guide that explains how to adjust all the eccentrics, o