Usually, the crown has three positions. 1/ the run position where it stays when the watch is worn. 2/ one notch out, the calendar set position. Turn it one way to set the day, the other way to set the date. 3/ the time re-set position.
The first step in setting your calendar is to set the hands ahead until the calendar changes. Then set the watch to correct time AM or PM. Then set the calendar.
Some older calibers require that you set the hands ahead until the DAY changes, then set the watch to time. THEN follow step 2 above.
If this doesn't work, there could be something wrong.
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