It's been with a watchmaker for several months. He's not the most communicative (English not his first language) but apparently it's now running fine and ready for my wrist...
... and yes, I paid more for his service than I did for the watch (hangs head in embarrassment).
Sent from my cracked, broken hand wound phone. IG @morning_tundra
No shame in that. I did the same with an old Seiko 6139 (1973, Pogue-style). Service was almost 3 times what I bought the watch for!