Microscope on a budget
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By Neverenoughwatches · Posted
Absolutely, i cant see that would even work, maybe release a coil or two at best. -
Hello there I'm fairly new to the world of watches and I find it quite interesting! I love the idea of fixing and taking things apart 🙂
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Well, an off center hairspring collet is not the issue. So, I'm left trying the old mainspring in it.
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By RichardHarris123 · Posted
Maybe one of the largest understatements I've ever heard. -
I haven't found the lift angle for the Benrus BA movement. I did find 51 degrees being the lift angle for several other Benrus movements, so I have tried that. Not much of a difference in amplitude reading from 52 degrees, of course. I'll attempt to center up the hairspring collet and tweak the position of the regulating pin and retest. Trying the old mainspring is certainly an option, but it is quite coned. Plating was worn off of the barrel lid, so this wasn't from me removing the mainspring.
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