Casio 5171 Operation Manual Download Page 1

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Operation Guide 5171/5172

MA1004-EA

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

 

[Module 5171]

Day

24-hour hand

Crown

(Normal position)

First click

(Day setting)

Second click

(Time setting)

To set the time

When the second hand is at 

1. 

12 o’clock, pull out the crown to the 

second click to stop it.
Set the hands by rotating the crown. 

2. 

Move the minute hand four or five 

minutes past the setting you want, and 

then back them up to the setting.
Push the crown back in on a time 

3. 

signal to resume timekeeping.

To set the day

Avoid setting the day between 9:00 

 

p.m. and 1:00 a.m. The day may not 

change in the following day if you do.

Pull out the crown to the first click.

1. 

Set the day by rotating the crown.

2. 

Push the crown back in to its normal 

3. 

position.

24-hour hand

The 24-hour hand indicates the current hour of the day, making one complete 

rotation every 24 hours.

[Module 5172]

Crown

24-hour hand

To set the time

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

1. 

the crown to stop it.
Set the hands by rotating the crown. Move 

2. 

the minute hand four or five minutes past the 

setting you want, and then back them up to 

the setting.
Push the crown back in on a time signal to 

3. 

resume timekeeping.

24-hour hand

The 24-hour hand indicates the current hour of 

the day, making one complete rotation every 24 

hours.

For a watch with an elapsed time bezel

 

Rotate the elapsed time bezel to align the 

 mark with the 

minute hand.

After certain amount of time elapsed, read the graduation on 

the elapsed time bezel which the minute hand points to.

The elapsed time is indicated.

Elapsed time bezel

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.

Also note that such watches are not water resistant while their 

 

crowns are loosened. Be sure to screw the crowns back in as 

far as they will go after making any setting.

Specifications

Module No.

Accuracy at normal 

temperature

(per month)

Battery type

Battery life

5171/5172

±20 seconds

SR621SW

Approx. 3 years

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