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Do all Atmos models use the same mainspring?
From Atmos ll’s built in the 40’s to the 528’s. The current 540 movement uses a very different mainspring.
My mainspring matches your "bad" example. I hate the idea of buying 3 to get one good spring. Life can sometimes be difficult. 🙂 Thank you for the information. It was helpful.
Do all Atmos models use the same mainspring?
From Atmos ll’s built in the 40’s to the 528’s. The current 540 movement uses a very different mainspring.
My mainspring matches your "bad" example. I hate the idea of buying 3 to get one good spring. Life can sometimes be difficult. 🙂 Thank you for the information. It was helpful.