Setting the Correct Date for Your Watch
It seems like a simple task, but changing the date at the wrong time of night can damage the inside of your mechanical watch. Here is how to do it safely.
The Golden Rule
When you set the date on a mechanical watch, the hour hand must be far away from 12 o'clock, especially if the watch is in PM (night time) mode.
Never change the date between about 9 PM and 3 AM. During those hours the date change mechanism is engaged, and forcing the date can break the teeth of the calendar disc.
Know Your Crown Positions
All modern mechanical date watches have two settings in the winding crown.
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Pushed InNormal wearing position
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First Click OutChanges the date
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Second Click OutSets the time
If your watch has a screw down crown, such as a Rolex Oyster, unscrew it before pulling it out, and screw it back down firmly when you are done to keep the watch water tight.
Why Timing Matters
The Calendar Disc
Although the time changes at 12 midnight, the date change takes many minutes to happen. As the watch approaches midnight, the jumper moves back to allow the calendar disc to turn to the next date of the month.
The Date Jumper
If you feel resistance when turning the crown to change the date, the watch is in night time PM mode. Forcing it at this point can damage the inner teeth of the calendar disc.
How To Set the Date Safely
- Pull to TimePull the winding crown out to the second click (setting).
- Pass MidnightTurn the hands forward past midnight to 6:00 AM.
- Set the DatePush the crown in one click and turn it to the correct date.
- Set the TimePull back out to the second click and set the correct time.
If the present time is after midday, the date will not change when the hands pass 12 o'clock noon. That is expected.
Date Stuck or Feels Stiff?
Don't force it. Our expert technicians can inspect the calendar mechanism and repair it with genuine parts. Call or text for free concierge service.