Citizen H145 User manual

取扱説明書

1
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://citizen.jp/) 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.

2
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 52 to 65.
■ 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.

3
Before using this watch
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 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 10 to 15.

Before using this watch Before using this watch
4
Band adjustment
Do not adjust the length of the band (metal or rubber) yourself. If you fail to perform the
work properly, the watch may fall off, or an injury may occur during adjustment. (If you
purchase a product which is sold with a special tool for band adjustment, you may carefully
adjust the band yourself.)
For band adjustment, consult the shop where you purchased the watch or your nearest
Authorized Citizen Service center. Other shops may not be able to handle the watch, or may
charge a fee.
Protective stickers
Be sure to remove any stickers covering the metal parts (back cover, band, clasp) or glass of
the watch before use. 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/push button
Some models are equipped with a specially designed crown and/or push button to prevent
accidental operation.

Before using this watch Before using this watch
5
Screw down crown and screw down push button
Unlock the crown 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 narrow-tipped object such as a
wooden toothpick.

6
Table of contents
Features ........................................8
Component identification ..............9
Recharging your watch.................10
Checking the power reserve..........16
Checking the time signal
reception ..................................17
Setting the World Time ................18
Notes on the time signal
reception ..................................22
Receiving the time signal manually
(On demand reception)..............30
Switching Summer Time and
standard time ...........................32
Adjusting the time/calendar
manually...................................38
Checking and correcting the current
reference position .....................42

7
Troubleshooting ..........................46
Resetting the watch—All Reset... 50
Eco-Drive watch handling
precautions...............................52
Water resistance ..........................56
Precautionary items and
usage limitations ......................59
Warranty and service ...................66
Information .................................68
Specifications...............................70
Customer support center..............72

8
Features
“Radio controlled watch”
Receives a time signal from one of the five
signal stations located in four regions and
automatically adjusts the time and calendar.
“Eco-Drive”
No need for periodical changing
of rechargeable cells. The watch
is charged by light.
“Perfex”
Preventing the hands from
unwanted movement due to
impacts or magnetism, the
accuracy of the radio controlled
watch is maintained.
“Perpetual calendar”
No need for date correction
at the end of each month.
The leap year is also updated
automatically.
“World Time”
Easy to see the time and
calendar of cities all over the
world.
* “Eco-Drive” and “Perfex” are Citizen original technologies.

9
Component identification
The illustrations in this instruction manual may differ from the actual appearance of your watch.
Hour hand
Summer Time
indication (ON/OFF)
Second hand
Signal reception
indication (OK/RX/NO)
Upper right button ( )
Crown
Minute hand
Lower right button ( )
Date indicator
City indication