Casio CASIO Watch MA1007-EA User's Manual

Casio Watches User's Manual - CASIO Watch MA1007-EA.
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Operation Guide 5187

MA1007-EA

Day of week 

Hour 

Minutes 

Crown 
(Normal position) 

Day 

Day-night indicator 

First click 
(Day setting) 

Second click 
(Time, day of the week setting) 

Seconds 

• The day-night indicator performs one rotation every 24 hours. A day sky image is

shown during the day and a night sky image is shown at night.

To set the time and day of the week
1. Pull the crown out to the second click when the second hand is at 12 o’clock position

and the second hand stops.

2. Set the hands by turning the crown.

• As you do, the day of the week changes accordingly.

• After setting day of the week, carefully set the time, making sure to distinguish

between AM and PM.

3. In accordance with a time signal, push the crown in.

To set the day
1. Pull out the crown to the first click.
2. Set the day by rotating the crown.
3. Push the crown back in to the normal position.

• Avoid setting the day between 9:00 p.m. and 1:00 a.m. (the day display may not

change in the following day).

■ For a watch with an elapsed time bezel

Rotate the elapsed time bezel to align the 

 mark with the

minute hand.
After that, you will be able to determine how much time has
elapsed since you adjusted the bezel position by checking the
bezel value that the minute hand is currently pointing to.

• Some water resistant models are equipped with a screw lock

crown.

• With such models, you must unscrew the crown in the

direction noted in the illustration to loosen it before you can
pull it out. Do not pull too forcibly on such crowns.

• Note that a screw lock crown watch is not water resistant

while its crown is loose. Be sure to screw the crown back in
as far as it will go after configuring settings.

Specifications

Accuracy at normal temperature: 

± 20 seconds a month

Display: 3 analog hands (hour, minutes, seconds),

3 dials (Day-night indicator, day of the week, day)

Battery: One silver oxide battery (Type: SR621SW)

Approximately 3 years on type SR621SW

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

Elapsed time bezel

50

40

30

20

10

0.549268s