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As always in this game the answer is “it depends “ because the first one worked out ok doesn’t mean all will. A case could be made in a way that it would not really matter much, sounds like your first example. However a case could also be made so that only a tension armoured crystal could be used. Generally you replace like for like to maintain the integrity of the watch. Tom -
When can you use a standard crystal to replace one that had a tension ring? The first time I popped a crystal with a tension ring out of a watch I found that I had a suitable sized standard crystal and decided to try that. It fit nicely and it was hard to see that anything was missing from the watch. I understand that it probably reduced the water resistance of the watch but since it was an old dress watch it wasn't going for a swim anyway! I have since tried the same thing on another watch and found that the tension ring seemed to have an additional role of holding the dial in place. With the standard crystal in there the dial and movement falls forward. This means it rattles in the case and falls forward and the hands fowl on the crystal (when the dial is down). Is there a trick I am missing here or does this watch require a special crystal? I am reluctant to buy an expensive armoured crystal only to find I have the same problem. -
So I wrapped the anvil it in bubble wrap and passed ot through the demag only. Still no go—the unit is simply too strong. next experiment is to use a VARIAC to lower the voltage and see if that reduces the magnetic field. -
In this case, the underside of the crystal is flat so I assume I don't have to worry about clearance to the hands. However, perhaps I'm missing something. If so, please let me know. I guess no one has the patience to get into the details of my first post so here's a simplified version of my question: The case diameter for the glass gasket is 36.9mm. However, Cousins doesn't have a glass gasket with that diameter. The closest are 36.8mm and 37.0mm. Would any of those two options work, and if so which one? I have no problem ordering both and testing them, but If someone already knows it is pointless, there's no reason to order. No, I haven't. Is there someone you can recommend? Preferably in Europe. Thanks! -
By rjenkinsgb · Posted
No. It's incredibly volatile and evaporates in seconds; there is no way it would last as long as it took to just install the part cleaned in it, in the movement.
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