What cheap and fast can get you in a watch - a broken screw in your balance cock

Hypothetical conversation after the customer of this watch received it back from service 10 years ago: “My watchmaker is great! Yours is a rip-off. My watch is running great and he serviced my alarm watch for $200 and I had it back in 2 weeks!” Take the time machine to today and now we open the watch up and what we see here under the microscope is a tiny broken screw embedded into the balance cock and scarring around the hole from a sloppy attempt at extracting it. To correct this is not a small repair.

Broken screw in balance cock of watch, botch