My first attempt to fix this
sleeve is this hairspring collet tool. It's not intended for something like this, but it looks like it could squeeze closed the fingers of the sleeve enough to hold the stem inward, in winding mode.
It looked like it worked, but it didn't work...
I think the tips of the
sleeve fingers, which bent inward to grip the stem are also worn.
I'm lucky this part is not actually broken. I can not replace it. In fact I've never seen one like this on anything but the smallest watches.
I decided to try a bell-hollow tip stack and flat stump in the stacking set.
This worked better. It barely, barely holds. I can tell it won't last. But it maybe the best it can be.
Meanwhile, job number 180068 is a Waltham in for service and a (hopefully) minor repair.
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