I've been meaning to take my UG to get a service but I don't trust any run-of-the-mill local repair shops in California. Anyone have recommendations for watchmakers/repairs that know how to handle a vintage UG? (SoCal would be best)

 

Have you tried LA Watchworks in Pasadena or ABC Watchwerks in downtown? They’re pretty reputable in the vintage Rolex field.

 

Fwiw, the watch maker i use here suggest that Rolex Daytona parts are usable in UG chronos (28x ones), I am not technical enough to know though.

 

So here is what I have discovered ... a watchmaker who is a restoration specialist and can source and fabricate parts is who you are looking for. UG Chrono are complex but nothing particularly special according to the folks I use. You need to check references and do some interviews. If you've come up dry you can ship your watch to folks who can do the work.