How can I change the days in casio Ef 331
First of all avoid setting the day and day of the week between 9.00 pm and 6.00 am. The day and day of the week may not change in the following day if you do.
Try this,
1) Pull the crown to the first click.
2) Set the day by rotating the crown counterclockwise.
3) Set the day of the week by rotating the crown clockwise.
4) Push the crown back to its normal position.
Hope this will help.
Cheers
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