6
Magnetic fields
Our environment is subject to interfe-
rence from electromagnetic sources.
This interference may have a direct
impact on the operation of both self-
winding and quartz watches.
A quartz watch may be disrupted
when it enters a strong magnetic
field; though it will return to normal
operation when it leaves the field. So
this interference will last while your
watch is inside a magnetic field (e.g.
from a speaker, computer, mobile
phone, etc.).
A self-winding watch is also affected
by powerful magnetic fields. In certain
cases, the interference may magnetise
certain steel parts in the movement,
such as the self-winding system oscil-
lating weight ball bearing, and more
particularly the balance-spring.
The balance-spring loops may stick
together, and the watch could rapidly
gain/lose rate, or even stop.
PVD coating
PVD coating is a hardened surface
coating, but can be prematurely worn
through impacts or regular friction.
The guarantee may not come into play.
Instruction/Garantie Moorea FR-ANG:Manuel Moorea auto 2006 28/05/14 12:08 Page 6
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