Here is an example of a pivot repair on a 1940s Gruen Veri-Thin. As seen in the picture, the upper pivot of the center wheel has deep groves worn for years of running, perhaps without lubricant.
This is tricky repair as this calibre has a center sweep second hand, and the center post is hollow. Re-pivoting involves turning the center pivot down on a lathe just enough to slip a steel sleeve over the original pivot. Care is taken not to make the existing post walls too thin.
The newly made sleeve is gently pressed, and this Gruen has a new lease on life.
If you are interested in having your vintage or antique watch repaired or restored, please visit my website TimePieceShoppe.
Worn upper pivot 
New sleeve ready to install 
New sleeve in place 
Fitted to movement
