
© 2017 CASIO COMPUTER CO., LTD.
To change the day indicator setting
To adjust the time setting
Pull the   out to Click 1. Crown 
Rotate the   to change the  Crown 
When the second hand is at 
Rotate the   towards you to  Crown 
 • The day indicator setting uses a 
31-day month. Make adjustments for 
months of shorter lengths.
 • Avoid changing the day indicator 
setting between the hours of 9 
p.m. and 1 a.m. Otherwise, the day 
indicator may not change correctly 
Some water-resistant models (10BAR, 20BAR) have a screw-in 
crown. When you need to perform a crown operation, rotate 
it towards you to unscrew it. Then pull the crown out. Avoid 
applying undue force when pulling. The watch loses its water 
resistance while the crown is unscrewed. After performing a 
crown operation, fully screw the crown back in.
If your watch has a rotary bezel...
You can rotate the bezel to align its 
minute hand. Then you will be able to tell how much 
time has elapsed since aligning the 
The second hand will jump at two-second intervals to alert you when battery power 
Have the battery replaced as soon as possible after low battery alert is indicated.
Stopwatch operation is disabled during low battery alert.
  • If low battery alert occurs during a stopwatch operation, the stopwatch will 
automatically reset to all zeros and stop.
Push the   back in on a time  Crown 
signal to resume timekeeping.
 • Take care that you set the correct AM 
 • When changing the time, move the 
minute hand four or five minutes past 
your final setting, and then back it up 
  • Your watch may differ somewhat from the one shown in the illustration.
Congratulations upon your selection of this CASIO watch.
To ensure that this watch provides you with the years of service for which it is designed, 
carefully read and follow the instructions in this manual, especially the information under 
“Operating Precautions” and “User Maintenance”.