Quote:
Originally Posted by chrisca70
Yes, my bad, I was referring to the stud arm (the one you move to adjust beat error) and I want to know the the function of the screw that is literally screwed in the arm...  |
Quote:
Originally Posted by SearChart
It secures the hair spring stud in the arm.
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Is it possibly the 3135-5115 screw then? And there’s a warning either way - loosen the bridle screw a bit beforehand. Sorry if I’m didactic - just happened to be meeting with my watchmaker while reading this discussion.
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