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Showing results for tags 'regulator arm'.
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I have a few old Vostok 24xx movements which seem perfectly fine except the the hairsprings are ruined. Most of these movements have come from eBay sold as “for parts or service”. So, my plan is to buy a few new balance wheels complete with hairsprings (like these) and replace them. (I just haven't got the tools or skills to just replace the hairspring). I have a pretty good idea about how to remove the hairspring stud (like this, or is there a better/easier way?), but how do I remove and re-fit the hairspring from the regulator arm? Can it just be lifted off and re-fitted with a tweezers, or do I need some special tool or procedure for this operation? I haven’t seen any instructions or videos about this, perhaps because it’s so easy or obvious? Well, at least that’s what I’m hoping!