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i n F O r M a t i O n a B O u t M a g n e t i c F i e l d s
As a result of the ever greater prevalence in recent years of very
strong magnets made from rare-earth alloys (for example neo-
dymium-iron-boron) – these are found in objects such as loud-
speakers, jewellery and fasteners on mobile-phone cases and
handbags – mechanical watches are increasingly likely to come
into contact with such magnets and be magnetized. This can lead
to the watch rate being permanently affected, a problem that can
only be resolved by a process of demagnetization carried out by
a specialist. We recommend that you keep your watch away from
such magnets.
Watches with a soft-iron inner case provide a higher level of protec-
tion against magnetic fields and far exceed the requirements of DIN
standard 8309. Nevertheless, it is still possible for the watch move-
ment to be magnetized in the close proximity of very strong mag-
nets. We therefore recommend that watches with a soft-iron inner
case also be kept away from direct contact with strong magnets.
Should there be a sudden change in the precision of your time-
piece, please contact an authorized IWC Official Agent to have
your watch checked for magnetism.
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