Precision Watch Adjustment the WOstep Way
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I'm with @nevenbekriev Rich, it just looks a normal movement to me .... unless you know differently. Do you have pics of yours? Who is the manufacturer?
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By nevenbekriev · Posted
Rich, this one seems rather regular movement to me. Yes, what You describe exists, but I doubt that the one on the picture is something similar. -
@Neverenoughwatches Many thanks for your remarks. As I wrote earlier, I was a bit reluctant to disassemble this movement, and you gave me further motives to be careful. I'll just remove it from its case so as to clean it a little.
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By nevenbekriev · Posted
I am not sure for the terms in english, but if I directly translate from Bulgarian or Russian, there are 'magnetic soft' and 'magnetic hard' magnetic materials. The first group will not get magnetised, thow they will be attracted by magnets. The soft iron for example. The second group, like hardened steel, will get magnetised. So non magnetic hairspring aloys belong to the first group. -
By nevenbekriev · Posted
Looks like it is only dirt. If rust, then this means the strenght of the spring is reduced in places with rust, so the spring is damaged and useless. Only light surface rust, which is rather residual from other places activity of rust can be cleaned, and no chemicals that can etch the metals of the spring aloy should be used Be aware that this usually happens when the dial/hands have radium lume! One of the pivot looks little bent. Not that much to prevent the movement from working, but may be amplitude will be a little bit smaller when this pivot down, resing on the cap stone. Bent pivots always means the balance is out of poise, but it depends on the severity of the bent. Yes it can be straightened, but at this point I will advice to leave it as is and check how the movement performs.
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