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

10
This watch has a rechargeable cell which is charged by exposing the
dial to light, such as direct sunlight or fluorescent lamps.
After taking off the watch, put it in a location where the dial is exposed
to bright light, such as by a window.
The charge of the watch is low if the second
hand rotates counterclockwise when you check
the power reserve (page 16) or the time signal
reception (page 17).
You can operate the watch as usual. However, the
watch needs to be charged.
Recharging your watch
After rotating
counterclockwise ...
Indicates the
reception result

11
In addition, for optimal performance, perform the following:
• Expose the watch with the dial facing towards direct sunlight for five to six hours at
least once a month.
• Avoid leaving the watch in a dark place for long periods of time.
Caution
• When the watch is regularly covered with long sleeves, it may not be charged sufficiently.
Try to keep the watch exposed to light sufficient for charging.
• Do not charge the watch at a high temperature (about 60˚C or higher).
Recharging your watch

12
Charging time by environment
Below are the approximate times required for charging when exposing the watch dial to light
continuously. Please use this table as a reference only.
Environment Illuminance
(lx)
Charging time (approx.)
To work for
one day
To start working normally
when the rechargeable cell
is empty
To become fully charged
when the rechargeable cell
is empty
Outdoors (sunny) 100,000 4 minutes 40 minutes 30 hours
Outdoors (cloudy) 10,000 12 minutes 1 hour 40 hours
20 cm (7-7/8 inches)
away from a fluorescent
lamp (30W)
3,000 40 minutes 2.5 hours 150 hours
Interior lighting 500 4 hours 14 hours 970 hours
Recharging your watch Recharging your watch

13
Recharging your watch Recharging your watch
• When fully charged, the overcharging prevention function works automatically. The
accuracy or parts of the watch will not be affected by extra charging.
Run time
Fully charged to fully discharged:
Approximately two years (with power save feature)
Approximately six months (at normal operation)
Power reserve upon insufficient charge warning function (page 14):
Approximately three days

14
When the watch reaches a low charge state—insufficient charge warning function
When the power reserve becomes low, the second hand moves
once every two seconds—This is the insufficient charge warning
function. Charge the watch by exposing the dial to light.
• When the watch is sufficiently charged, the second hand will
move normally.
• If you have not charged the watch for three days or more since
the insufficient charge warning movement began, the watch will
run out of power and stop.
Caution
Even when the second hand moves once every two seconds, the current time and date are
indicated. However, operations and signal reception are not possible.
Recharging your watch Recharging your watch

15
Recharging your watch Recharging your watch
Power save feature
When the watch is not exposed to light for more than seven days, such as when you store it in
the dark, the minute hand and second hand automatically stop to save power. However, the
watch still keeps the time.
• When the crown is in position or , the power save feature will not activate.
• The power save feature can not be activated manually.
To cancel the power save feature
When the watch is exposed to light sufficient for charging, the power save feature is
automatically canceled and normal time indication will resume.
After the power save feature is canceled, you should receive the time signal manually. See
pages 30 and 31.
• The power save feature cannot be canceled by operating the crown or buttons.

16
Checking the power reserve
1. Ensure that the crown is in position .
2. Press the lower right button briefly.
The second hand moves to indicate the power reserve.
The second hand
indicates “OK” or “NO”
The watch is sufficiently charged.
The second hand rotates
counterclockwise, then
indicates “OK” or “NO”
The charge of the watch is low.
Charge the watch. See pages 10 to
15.
• “OK” and “NO” indicate the reception result of the time
signal and no relationship to the power reserve.
3. Press the lower right button briefly to finish the
procedure.
The current time is indicated.
• The current time will be indicated automatically after 10
seconds even without pressing the button.

17
Checking the time signal reception
1. Ensure that the crown is in position .
2. Press the lower right button
briefly.
The second hand indicates the
reception result.
OK Reception has succeeded.
NO Reception has failed.
When reception has failed, see page 28.
3. Press the lower right button
briefly to finish the procedure.
The current time is indicated.
• The current time will be indicated automatically after 10
seconds even without pressing the button.
When reception
has succeeded

18
Setting the World Time
Select the city for which you want to indicate the time and date.
1. Pull the crown out to position .
The second hand moves and indicates the city currently
selected.
2. Rotate the crown to select the city for
which you want to indicate the time
and date.
• For details of the selection of cities, see
pages 19 to 21.
• Each time you select a city, the time and
date of the city you have selected will be
indicated.
3. Push the crown in to position to
finish the procedure.
When “New York” (49
seconds position) is
selected
After setting the World Time, check the displayed time—Summer Time or standard time.
(See pages 32 to 37.)

19
City indication table
Setting the World Time
Abbreviation City indication or second hand position Time difference Signal station
LON *LONDON 0 sec. 0 Germany
PAR *PARIS 2 sec. +1
ATH *ATHENS 4 sec. +2
Germany♦
MOW/RUH *MOSCOW/RIYADH 7 sec. +3
DXB DUBAI 9 sec. +4
KHI KARACHI 11 sec. +5
China♦
DEL DELHI 14 sec. +5.5
DAC DHAKA 16 sec. +6
BKK BANGKOK 18 sec. +7
BJS/HKG BEIJING/HONGKONG 21 sec. +8 China
*See note on page 21
The city of ♦is outside the reception range and signals cannot be received.
(The watch will attempt to receive signals from each station at the appointed time.)