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The basic Ulysse Nardin caliber and magnetism.

 

Dear friends,

I have recently reported in the "main" forum that the magnetic field generated by a MacBook Pro laptop is around 1000 Gauss (I have used a professional gauss-meter). Is this safe with a watch using the UN-118 caliber ? I know that the hairspring is non-magnetic but the rest of the movement is not obviously not. I don't know how to be sure. Any idea ? 
Thanks.






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