Citizen J304 User manual

English

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CONTENTS

1. Features .....................................................................................3

2. Before Using...............................................................................3

3. Names of Components...............................................................4

4. Setting the Time..........................................................................5

5. Setting the Date..........................................................................6

6. Using the Dual Time Function.....................................................7

7. Using World Time function.......................................................... 8

8. Special Functions of Solar-Powered Watches ..........................10

9. Charging Time ..........................................................................12

10. Notes Regarding Handling of Solar-Powered Watches ................

11. Helpful Hints............................................................................. 15

12. Precautions ..............................................................................16

13. Specifications ...........................................................................22

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1. Features

This is an analog solar-powered watch that is equipped with a solar cell incorporated in its face

to convert solar energy into electricity. The watch is also equipped with the large and highly

visible date indicator and the fan-shape 24-hour dial.

2. Before Using

Sufficiently Recharge by

Placing in Light Before Use

A secondary battery is used in this watch to store electrical energy. This secondary battery

is a clean energy battery that does not contain mercury or other toxic substances. Once fully

charged, the watch will continue to run for about 6 months without additional charging.

To use this watch comfortably, make sure to recharge the watch before it stops running

completely. Since there is no risk of overcharging (Overcharging Prevention Feature), it is

recommended that the watch be recharged everyday.

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3. Names of Components

* In the case the crown is of the screw-lock type, loosen the screw by turning the crown to the

left before operating the crown, and after having returned the crown to the normal position

following operation, turn the crown to the right while pushing it in to securely retighten it.

* The illustrations in this instruction manual may differ from the actual appearance of your watch.

Date

Hour hand

Minute hand

Second hand Crown

24-hour hand

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4. Setting the Time

* For accurate setting of the time

• Set in the time order of second hand,hour hand,minute hand,24-hour hand.

(1) Pull the crown out to position 2 when the second hand reaches the 60-second position.

(2) Turn the crown to set the time.

The date changes when the time is about 2:00 AM. Do not confuse AM and PM when setting

the time.

(3) Securely return the crown to the normal position in synchronization with a telephone or other

time service.The second hand will start moving and the watch will begin to keep accurate time.

(4) Pull the crown out to position 1 and turn it to the left to set 24-hour time. (Turn to the right to

set the date.)

(5) Return the crown to the normal position.

• For more accurate setting of the time, turn the minute hand 4-5 minutes past the correct time,

then turn it back to the correct time.

Hour hand

Minute hand

Second hand

24-hour hand

Pull the crown out to

position 1 (Turn to the left)

Pull the crown out to

position 2

24-hour time correction

Time correction

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5. Setting the Date

(1) Pull the crown out to position 1.

(2) Turn the crown to the right to set the date. (Turning the crown to the left enables correction of

the 24-hour hand.)

(3) When the date was set, return the crown to the normal position.

[Notes]

• If the date is set while the time on the watch is between the hours of about 11:00 PM and

2:00 AM, the date may not change on the following day. If this happens, set the date after

temporarily moving the hands to a time other than between the above times.

• The date is based on a 31-day calendar. The crown must be used to change the date from the

last day of the month to the first day of the following month for shorter months (months having

30 days and February).

Pull the crown out

to position 1

(Turn to the right)

Date correction

Date

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6. Using the Dual Time Function

The 24-hour hand enables the setting of the time for another time zone.The 24-hour time

setting can be made in 1-hour increments to enable use of the dual time function.

(1) Pull the crown out to position 1.

(2) Turn the crown to the left to set the 24-hour hand to a time in another time zone.

(Turning the crown to the right enables correction of the date.)

(3) When the setting was completed, return the crown to its normal position.

• The minute display position of the 24-hour hand stops at a position that is linked to the

minute hand.

• Please use the dual time function as a general reference only.

24-hour hand

Pull the crown out to

position 1 (Turn to the left)

24-hour time correction

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7. Using World Time function

* For models equipped with World Time function only

The World Time function allows you to see the time in 24 major cities in the world.

* The World Time function does not support Daylight Saving Time.

24-hour dial Crown for 24-hour

dial

City names

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