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Hmm, if it is sitting that low I am not sure I would blame end shake (which would be to blame if you turned it DU and the hairspring touched the balance cock). If it is sitting so low that the balance rubs on the pallet bridge I would verify that the balance arms are not dished downward and also that the lower balance jewel doesn't have an issue such as being chipped. Or the balance staff is actually too short, which would have caused your earlier end shake problems too. If you install the pallet bridge without the pallet fork and install the balance, is your free oscillation still good or is it immediately bound up on the pallet bridge? (I have an elgin watch like that where someone in the past ground down the pallet bridge significantly) Yes, you'll need to rotate the hairspring but deal with the pallet bridge interference first. -
Ok. So given that I had free oscillations DU/DD for roughly the same time, I reassembled with the pallet fork and bridge underneath, and now I can see two more problems. 1. The arms of the balance are nearly flush with the pallet bridge. Bad. I can speculate as to why…the end shake still looks to be too much. Maybe other causes as well? 2. The balance doesn’t spin freely. In the resting position, it looks like the impulse jewel is outside the jaws of the pallet fork. Not by much, but still outside. If it needs be inside in the static position, then I’m guessing I’ll need to rotate my hairspring collet to change orientation by a few degrees. The journey continues… -
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By Michalzeszen · Posted
Andy, why you betray me? I may have good news. I'll share later! -
Hi. I have been touching watches for quite some years, but haven’t before pretty recently decided to jump of the cliff by trying to do basic service for the first time. It is a simple Seiko 6602 I bought as a renovation movement. To be honest I struggled. Mainly because I wanted to do everything correctly and with all the right tools etc from the start. From just having basic tools I invested in quite a lot of things in order to dissemble, clean and lubricate the movement parts. I can say it was a journey. Taking care of the balance jewels looks really easy watching all the great videos, but god damn… I have been lucky and only shot away things that was found but come on. Anyway. I have now managed to “service” four movements and the result is what makes me want to keep doing this. The first movement was a Seiko 6602 and it was in a pretty bad shape. When I run it on the Timegraoher now I got an amplitude of 270 and in all positions it stays around +-2s. I have heard some “amateurs” saying this is a hobby you’ll get stuck to and I am already there. It doesn’t matter if it’s a fancy movement or a simple 6602. The feeling after been struggling and you see the result… it’s amazing! I am still in a state where I am confused and don’t know which watch press tool is best, or if I need the most fancy hand tools etc, but to be honest. This is so stimulating. Sorry for not really adding anything new to you all pros.
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