watchatlasNever set the date on a mechanical watch late at night.
On many movements, the date change starts hours before midnight, roughly between 9 PM and 3 AM. Forcing the quick-set date while those gears are engaged can damage the mechanism.
The safe order:
1. Turn the hands to around 6 o'clock.
2. Set the date.
3. Set the time.
Your manual has the exact window for your watch.
Did you know about the danger zone? Be honest.
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