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By nevenbekriev · Posted
Hi Rob, I am not sure if You understand the meaning of 'Adjusted to 5 positions' correctly. Just to clarify, do You believe, that if You get a cheap 'Unadjusted' movement, It will be possible to turn it to 'Adjusted to 5 positions' just by adjusting the rate regulator with the help of some kind of timegrapher? Sorry if it is my missunderstanding... -
I agree! Pretty dirty on the exterior, maybe just sat in a drawer, would not imagine that someone serviced the movement without cleaning the case. -
By RichardHarris123 · Posted
I think a ten minute rinse in water is too long. -
By nickelsilver · Posted
That's a really hot bath temperature. I don't recall ever seeing a watch-specific cleaning machine with heat available for the cleaning bath; however ones that have ultrasonic do warm the bath as a result of that. In my ultrasonic tank in which I use a similar product to the Elma, I set the heat to 35 (C), mostly because I don't tend to leave parts in long enough for it to heat from the ultrasonic action. A warm bath does tend to clean better or at least faster than a cold one. I think the ammonia in the Elma has reacted with the plating on the setting at that high temp. -
That sounds pretty interesting to me! But this generates some more questions 😅 1) if this is silver sulphide then the jewel housing must be made out of silver right?! Does anyone know for sure which material is used by ETA for this? It was very shiny before...so it would not surprise me. On the other hand....why would I use silver for that, when the pivot never touches this housing?! Would be a waste of money for me?! 2) if this is silver sulphide - do you think it's required to remove it...or can we live with it on the main plate/housing? Actually it's a shock jewel housing...so in my opinion it's only cosmetic and will not influence the performance of the balance?!
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