VOSTOK-EUROPE All types of mechanical watches, Руководство пользователя

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• have an authorized watch service technician
clean, lubricate adjust and re-certify the water-
impermeable seal, or “water-resistance”, of the
watch not less than once every two years after
warranty is expired;
We recommend that you:
• do not open the case or remove its back cover so as
to protect your watch from unqualified service and
from dirt and dust getting into the watch movement;
• do not expose the watch to extreme temperatures
since that can weaken the crystal ;
• avoid exposure to magnetic fields with an
Intensity more than 4800 A/M .
If these simple suggestions are followed, your watch
should operate properly for a minimum of 10 years.
Watches with automatic winding
Mechanical watches with automatic winding of the
mainspring do not require manual winding of the
crown.
The motion of your wrist turns an internal rotor
(oscillating weight) that winds the mainspring of the
watch automatically. Daily routine is enough for
automatic winding of the watch and it will run overnight
if removed for sleeping. You can view the auto rotating
oscillating weight in automatic watches with glass back
cover.