MA1311-EA © 2013 CASIO COMPUTER CO., LTD.
Operation Guide 5420/5421
Be sure to keep all user documentation handy for future reference.
Your watch may differ somewhat from the one shown in the illustration.
Click 2
|
Click 1 |
Day of the week |
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Crown |
24-Hour Hand |
Day |
Crown Operations |
Crown |
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Some water-resistant models (100 meters, 200 meters) 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 ▼ mark with the minute hand. Then you will be able to tell how much time has elapsed since aligning the ▼ mark.
Current
Loosen
Start
Elapsed time
Specifications
Accuracy at normal |
Battery type |
Battery life |
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temperature (per month) |
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±20 seconds |
SR920SW |
Approx. 3 years |
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To adjust the day of the week and time
When the second hand is at 12 o’clock, pull the Crown out to Click 2.
Rotate the Crown to advance the hour and minute hand settings, which will also change as the day of the week setting.
Rotate the Crown to change the time setting.
Push the Crown back in.
Note
Take care that you set the correct AM or PM time.
When changing the time, move the minute hand four or fi ve minutes past your
fi nal setting, and then back it up to the setting you want.
The 24-Hour Hand indicates the current hour of the day. It makes one complete rotation every 24 hours.
To change the day setting
Pull the Crown out to Click 1.
Rotate the Crown to set the day.
Push the Crown back in.
Note
The day setting uses a 31-day month. Make adjustments for months of shorter lengths.
Avoid changing the day setting between the hours of 9 p.m. and 1 a.m. Otherwise, the day setting may not change correctly at midnight.
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