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About Roger2020

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  1. Thank you guys for all your help and suggestions. It seems that there is a consensus in how to deal with this problem. I will do the way it is described and let you all know about the result. Regards.
  2. Thank you acc58 for the document. On page 10 it describe how to remove and how to install balance wheel-hairspring. Regards.
  3. Thank you for your reply. I have seen Mark's video on how to set a watch in beat. The balance assembly of my watch is different and Mark address a different issue. My problem is how to remove the old balance-hairspring and install a new one. Please see the photos. As you can see there is no screw on the hairspring stud.
  4. Hello and thank you for your forum. I have a Seiko 5 with a 7s26 movement. On a timegrapher machine it shows very low amplitude and ++++ rate. I think there is a problem with the balance wheel-hairspring. I demagnetized the assembly to no avail. I bought a balance wheel-hairspring replacement but I cannot remove the old balance wheel-hairspring from the balance cock. There is no screw on the spring stud to secure the hairspring to the balance cock. Your help is very much appreciated. Regards, Dariush.
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