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Mainspring
This watch runs using the power of the mainspring.
• Once the mainspring is wound fully, it will run for about 42 hours.
• Sufficient winding ensures stable and accurate movement.
About winding the mainspring
This watch is an automatic mechanical watch. (You can also wind the mainspring
manually.)
The mainspring is wound by swinging your arm. It is recommended to wear the watch
for more than 8 hours a day.
If you do not move your arms much in your daily life, for example you spend a lot of
time sat at a desk, the mainspring may not be wound sufficiently. In such cases, wind the
mainspring manually (see page 7).
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