The Russian watch is fixed at least for now.
I took one last stab at cleaning the hair spring and shoved the tip of the canned air tube as far under the bridge as I felt it safe to do and gave it several mid power blasts.
that apparently dislodged some debris. The balance begain cycling much more slowly and now with the regulator set about the mid way point its losing a few seconds per hour instead of gaining a minute or more. I'll fine tune the timing once I'm sure its settled in.
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