Citizen J290 Service manual

Thank you for your purchase of this Citizen watch.

Before using the watch, read this instruction manual carefully to ensure correct use.

After reading the manual, store it in a safe place for future reference.

Be sure to visit the Citizen website at http://www.citizenwatch-global.com/ . Here

you will find a variety of information such as electronic setting guides, answers to

frequently asked questions, Eco-Drive recharging information and more.

To check the movement number

A case number—4 alphanumeric characters and

6 or more alphanumeric characters—is engraved

on the case back. (Figure on the right)

The first 4 characters of the case number

represent the movement number of the watch.

In the example on the right, “ ” is the

movement number.

Engraving position example

The engraving position may differ

depending on watch model.

Safety precautions — IMPORTANT

This manual contains instructions that should be strictly followed at all times

not only for optimal use, but to prevent any injuries to yourself, other persons or

property. We encourage you to read the entire booklet (especially, pages 3, 4, and

58 to 71) and understand the meaning of the following symbols:

■ Safety advisories are categorized and depicted in this manual as follows:

DANGER Highly likely to cause death or serious injury

WARNING Can cause serious injury or death

CAUTION Can or will cause minor or moderate injury or damage

■ Important instructions are categorized and depicted in this manual as follows:

Warning (caution) symbol followed by instructions that should be

followed or precautions that should be observed.

Warning (caution) symbol followed by prohibited matters.

Before using this watch

About altitude measurement

This watch does not function as a specialized altitude-measuring equipment

certified by any authority or regulating standards. Use the indicated altitude only

as a reference.

WARNING

Do not use the altitude measurement function of this watch in the

following cases:

•When actions or situation judgments involving risks are required.

•When rapid changes in altitude occur such as when skydiving or hang-

gliding.

•When the situation requires special treatments.

CAUTION

Altitude may be measured improperly in the following cases:

•When air temperature changes sharply.

•When atmospheric pressure largely changes accompanying with changes

of whether conditions.

•When the function is used in places where atmospheric pressure is

conditioned constant (such as in an airplane).

Before using this watch

About the compass

This watch does not function as a specialized compass instrument certified by any

authority or regulating standards. Use the indicated compass direction only as a

reference.

WARNING

Do not use the compass function of this watch in the following cases:

•When precise directional indication is required for navigational or other

activities with serious risks.

CAUTION

Compass direction may be measured improperly in the following cases:

•When the watch is not kept level.

•When the surrounding magnetic field is disturbed.

•When air temperature changes sharply.

•When surrounded by reinforced concrete wall or things made of iron.

•When electric cables, electric trains or electric products exist around.

When storing the watch

Avoid places or things with strong magnetism when storing this watch.

Before using this watch

After unpacking, the following must be done before using the watch:

•Checkingthepowerreservesee page 16

For optimal performance, ensure your watch is fully charged prior to use. Refer

to pages 12 to 15 for charging procedures and times.

This watch has a rechargeable cell which is

charged by exposing the dial to light.

Expose the dial to direct sunlight regularly to

charge the watch.

For details of charging, see pages 12 to 15.

Before using this watch

Band adjustment

We recommend seeking the assistance of an experienced watch technician

for sizing of your watch. If adjustment is not done correctly, the bracelet may

unexpectedly become detached leading to loss of your watch or injury.

Consult your nearest authorized Citizen service center.

ProtectivestickersBe sure to remove any protective stickers that may be on your watch (case back,

band, clasp, etc.). Otherwise, perspiration or moisture may enter the gaps between

the protective stickers and the parts, which may result in a skin rash and/or

corrosion of the metal parts.

How to use a specially designed crown/button

Some models are equipped with a specially designed crown and/or push button to

prevent accidental operation.

Before using this watch

Screw down crown/button

Unlock the crown/button prior to operate your watch.

UnlockLockScrew down

crown

Rotate the crown

counterclockwise until it

releases from the case.

Push the crown in to the

case. With gentle pressure

towards the case, rotate the

crown clockwise to secure

it to the case. Be sure to

tighten firmly.

Screw down

push button

Rotate the locking screw

counterclockwise, and

loosen until it stops.

Rotate the locking screw

clockwise, and tighten

firmly.

Recessed buttons

Press the button with a non-marring narrow-tipped

object such as a wooden toothpick.

•Metalobjectsmaycausemarringorscratchingofthe button.

Features

Eco-Drive (solar powered)

Never needs a new battery.

This watch is fueled by light.

Compass function

Indicates compass direction

by measuring geomagnetism

with the built-in magnetism

sensor

Altitude measurement

Indicates altitude by

measuring atmospheric

pressure with a sensor

•“Eco-Drive” is an original technology of

Citizen.

CONTENTS

Parts identification (when

measuring altitude) ...........

Parts identification (when

using the compass).............

Chargingyourwatch...........

Checkingthecurrentpowerreserve...............................

Measuring altitude..............

Using the compass...............

Setting the time..................

Adjusting the calendar ........

Calibrating

altitude indication .............

Calibrating

compass indication ............

Checkingandcorrectingthereference position..............

Using the scale ....................

Troubleshooting..................

Eco-Drive(solarpowered)watchhandling precautions.........

Water resistance..................

Precautionary items and

usage limitations ...............

Information.........................

Specifications......................

Parts identification (when measuring altitude)

•Some models are not equipped with the scale and the scale rotation crown.

ft.

2000

-1000

x 10000 ft.

8000

4000

6000

ft.

(-100)

(-200)

(-300)

(-400)

(-500)

(-600)

(-700)

(-800)

(-900)

500

900

400

800

300

700

200

600

100

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

(

)

Lower left button ( )

Upper left button ( )

10 000 ft hand

1 000 ft hand

25 ft hand

Atmospheric

pressure sensor

Scale rotation

crown

Scale

Date indicator

Second hand

Hour hand

Minute hand

Crown

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