Nicely done. With regards to the hour recorder runner, you don't say specifically what was worn, but if it was the cam, that is a fairly common wear point in my experience. Here is one example, but I see this very often, mostly on Cal. 321 watches, but also on some of the older 861's:
The cam wears quite a lot from resetting, and given that the chronograph runner cam and the minute recorder runner cam don't have the same wear, my thought is that these watches have suffered from hour recorder creep, and rather than having it fixed people have been constantly resetting the chronograph to zero out the hour recorder. The hour recorder can be reset without starting and stopping the chronograph, unlike the other two.
Just my own theory, but it's the only thing that makes sense as to why I see the wear here so often and not on the other 2 cams.
Cheers, Al
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