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1

Operation Guide 5405

MA1410-EA

© 2015 CASIO COMPUTER CO., LTD.

 

  

x

 Your watch may differ somewhat from the one shown in the illustration.

30

Click 1

Click 2

 Crown 

Crown Operations

Crown

Loosen

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...

Start

Elapsed time

Current

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.

Specifi cations

Accuracy:

  ±20 seconds average per month

Illumination:

  LED (light-emitting diode)

Battery:

  One silver oxide battery (Type: SR920SW) and one lithium battery (Type: 

CR1616)

Approximately 3 years on type SR920SW and type CR1616 (assuming one 9-second 
illumination operation per day)

  

x

 Always have both batteries replaced at the same time.

Illumination Precautions

  

x

 Illumination may be hard to see when viewed under direct sunlight.

  

x

 Frequent use of illumination runs down the battery.

To adjust the time setting

When the second hand is at 12 o’clock, pull 
the 

 Crown 

 out to Click 2.

Rotate the 

 Crown 

 to change the time setting.

 

Push the 

 Crown 

 back in.

Note

 

x

 Take care that you set the 
correct AM or PM time.

 

x

 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.

To change the day indicator setting

Note

 

x

 The day setting uses a 
31-day month. Make 
adjustments for months of 
shorter lengths.

 

x

 Avoid changing the day 
setting between the hours 
of 9 p.m. and 1 a.m. 
Otherwise, the day indicator 
may not change correctly at 
midnight.

Pull the 

 Crown 

 out to Click 1.

Rotate the 

 Crown 

 to set the day.

Push the 

 Crown 

 back in.

To turn on illumination

Note

 

x

 Illumination remains turned on as long as 

L

 is depressed.

 

x

 Illumination will turn off about four seconds after 

L

 is released.

Hold down 

L

.

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