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By nevenbekriev · Posted
Mike, You have the correct hairspring, only needed is to replace it's collet. So suitable collet is needed. I would not use the one from the new spring, as it can be backup variant. But it is not a problem to source a collet with the proper size (at least if one has piles of movements for parts). -
By nevenbekriev · Posted
Yes, the steel (and iron) solders well, but good flux is needed. This will usually mean acid type of flux, and after soldering, the part must be well washed from the flux, which is usually done with base solutions that will neutralize the acid remains. Actually, I don't know the current state of the wheel, so I am not able to give correct advice. But yes, if needed, new pinion can be cut. No matter what material the cutting wheel is, it is needed to start with soft steel (O1 is OK). After cutting the leaves of the pinion, the work must be hardened and tempered and only then the rest of the work to be done. -
By Embezelled · Posted
I doubt that I know enough at this stage of my journey to impart anything useful. I have the Laurel here, with (finally) the back off. I also looked on Yahoo Auctions, there is a seller at the moment with what they've listed as a Seiko Marvel balance staff, but I don't know if it's the right part for your watch. It seems you need the whole balance anyway, and I'm not seeing any of those for sale. There is a very trashed looking Marvel from another seller that might suit as a donor unit, but no photos even with the back off, and the crystal is missing. It doesn't look promising: the dial is severely corroded, so useful internal parts might not be salvageable. https://auctions.yahoo.co.jp/jp/auction/w1112646076 https://auctions.yahoo.co.jp/jp/auction/o1185016360 -
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So not a hack then, but rather an upgrade to modern space-age shock protection! 🤣
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