Citizen H145 User manual
1
To check the movement number
A case number is engraved on the case back.
(Figure on the right)
The first 4 digits of the case number represent the
movement number of the watch.
In the example on the right, “1234” is the movement
number.
Engraving position example
The engraving position may differ
depending on watch model.
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.
✳The case has different features depending on the model.
Details of the case features are not contained in this manual, see
“http://www.citizenwatch.jp/support/default.htm”.
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Safety precautions
This manual contains the following instructions that should be strictly followed at all times
to prevent injury to yourself and other persons as well as damage to property.
■ Injuries and damage that might be caused by using the watch improperly or neglecting any
of the instructions or precautions contained in this manual are classified with the following
symbols.
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
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■ Important instructions that should be followed are classified with the following symbols.
Warning (caution) symbol followed by instructions that should be
followed or precautions that should be observed.
Warning (caution) symbol followed by prohibited matters.
<Notes before use—Protective stickers>
Prior to the watch being shipped from the manufacturing plant, its glass, case, metal
band, and metal parts of the clasp are covered with stickers to protect them from getting
fingerprints or scratches during transit from the plant to the store.
If the watch is worn without first removing these stickers, 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.
For this reason, please be sure to peel off the stickers before wearing the watch.
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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.
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Before using the watch
The following must be done before using the watch:
●Checking the power reserve Page 10
Check the charge level of the watch.
●Setting the World Time Page 12
Select the city for which you want to indicate the time and date.
●Checking the time signal reception Page 11
Check the result of the time signal reception.
This watch has a rechargeable cell which is charged
by exposing the dial to light such as direct sunlight or
fluorescent lamps.
Expose the dial to light regularly to charge the watch.
For details of charging, see pages 32 to 37.
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Before using the watch...................5
Component identification...............8
Checking the power reserve..........10
Checking the time signal
reception ..................................11
Setting the World Time.................12
Notes on the time signal
reception ..................................16
Receiving the time signal manually
(On demand reception)..............24
Switching Summer Time and
standard time ...........................26
Recharging your watch.................32
Adjusting the time/calender
manually...................................38
Checking and correcting the current
reference position .....................42
Table of contents
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Troubleshooting...........................46
Resetting the watch—All Reset ...50
Solar-powered watch handling
precautions...............................52
Water resistance ..........................54
Precautionary items and
usage limitations.......................56
Warranty and service....................62
Information .................................64
Specifications...............................66
Customer support center ..............68
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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
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How to use the screw down crown and screw down push button
Some models feature a screw down crown and/or screw down push button.
Locking the crown and/or button prevents accidental operation. These must be unlocked
prior to using certain features of your watch such as setting the time or date.
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.
Some models feature a recessed button.
Press the button with a narrow-tipped object such as a wooden toothpick.
Component identification
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10
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 32 to
37.
• “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.
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