In a nutshell:
*the 2500C movement kept failing.
*dials applied markings were off centre.
*service centre added scratches
*movement still kept failing after each repair
*i sold it after the 3rd of 4th time it came back from service.
When I'm at my computer next, I'll see if I can edit this post with linking threads from those years ago.
Saying all that, over half a decade later I still bought another PO