Just a quick video to show my method of re-aligning the hairspring on the balance staff correctly after prior removal, just in case you have not marked or noted where the stud is before removal.
Hope it's helpful to someone :)
Watch here...
Hi Bern,
I'm hopping they are the same...considering the movements are interchangeable (including most parts). In any case, let's see what other more experienced members have to say,
Bob