Quote:
Originally Posted by Dirt
I considered that Rolex wouldn't bother with mucking around with that and simply replace it out of expediency. Bas had indicated it would be replaced as a set along with the Centre pinion 
From my understanding, tightening the tension can be a little tricky in that just that little fraction more could end up being way too much 
In that regard it could be a counter productive exercise
Still, with everything else basically working fine with the watch from my point of view and end user experience. I wonder what criterior was met that would require replacement or any changes with regard to the Cannon pinion.
Anyway, that would be yet another question  |
Good question: This is really an illustration of traditional watchmaking vs the "replace everything" mentality. Tightening the cannon pinion is reliable and works great if done correctly with proper tools. Adding new parts on vintage movements can sometimes introduce a bigger hassle than reconditioning the original parts (if possible). Newer watches less so the case... but still seems wasteful if the original part can be set within spec.
That said, cannon pinions if overtightened can crack or fail in which case replacement is the only option. If it is slightly too tight then broaching gets the job done nicely. Of course if this is done too extensively such that integrity is compromised then replacement is again necessary.
