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Posted

Hello, 

I have a FHF st96 with a new mainspring. After servicing this is what the timegrapher shows. Can anyone explain this? Thank you in advance.

fhf st96.JPG

Posted

Almost  looks  like it is stopping at regular  intervals  and restarting. I would check all my gear teeth and revisit the mainspring 

Posted

Hello watchfriends, as promised I would let you all know what the results are. I have changed the escapewheel and the movement runs very nice. Thank you all.

fhf st96 na.JPG

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  • 2 weeks later...
Posted

With an amplitude that high, you're not far from hitting the banking (knocking). Hopefully your screenshot is from when the watch was fully wound, and at maximum amplitude :)

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