Citizen CTZ-B8155 User manual

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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.

Visit the Citizen website (http://www.citizenwatch-global.com/) to view visual guides

for operation of your watch. Some models may be equipped with external features

(calculation scale, tachymeter, etc.). Visual guides for operation of such external

features can also be found on the website.

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 may contain certain safety advisories. Your watch should be used in

accordance with these advisories at all times to ensure optimal enjoyment of your

watch and to prevent injury to yourself, other persons and/or damage to property.

Understand the meaning of the following symbols and read pages from 56 to 69.

■ 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.

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The following must be done before using the watch:

●Checking the power reserve Page 16

Check the charge level of the watch.

●Setting the World Time Page 18

Select the city or time difference for which you want to indicate the time and date.

●Checking the time signal reception Page 17

Check the result of the time signal reception.

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 9to 15.

Before using the watch

4 5

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 an authorized service center.

Protective stickers

Be 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 the watch Before using the watch

4 5

Screw down crown/button

Unlock the crown/button prior to operate your watch.

Unlock Lock

Screw 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.

Before using the watch Before using the watch

Before using the watch ............... 3

Component identification ........... 8

Recharging your watch................ 9

Checking the power reserve.......16

Checking the time signal

reception ...............................17

Setting the World Time .............18

Notes on the time signal

reception ...............................26

Receiving the time signal manually

(On demand reception)...........34

Switching Summer Time and

standard time ........................36

Adjusting the time/calendar

manually................................42

Table of contents

6 7

Checking and correcting the current

reference position ..................46

Troubleshooting .......................50

Resetting the watch

—All Reset ............................54

Eco-Drive Watch Handling

Precautions............................ 56

Water resistance .......................60

Precautions and usage

limitations .............................63

Specifications............................70

Component identification

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

watch.

Hour hand

Second hand

Crown

Crown position

Minute hand

Lower right button ( )

Date indication

City or time difference

indication

Signal reception indication

• OK/NO: Reception result

• RX: Reception in progress

Summer Time indication

(ON/OFF)

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