Seiko Bellmatic 4006 - project
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By RichardHarris123 · Posted
Quite a few parts are discontinued or are restricted items. Unfortunately you'll probably have to pay a ridiculous price or make one. -
I believe that JLC are all in house high end movements, hence spare parts extortionate prices. Sorry I can’t help with the pivot repair. Tom
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I expect you have at least one of each missing screw on hand so best to measure them and see if anything here matches up. https://www.cousinsuk.com/product/case-back-screws-sets-or-individual-sizes Tom
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What amplitude are you seeing in each position ?
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By BFernandes · Posted
Hello all. I was wondering if the irregular readings I'm having in the timegrapher is due to the mainspring needing to be replaced/serviced. What I mean by irregular readings I mean +8 sec/day on one position and -20 on another. No matter how I regulate the balance, I can't get close to 0 on several positions.
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