Citizen H144 User manual

1
To determine the movement number
Your watch features a case number engraved on the
case back (refer to figure to the right).
The first four characters of the case number
represent the movement caliber number of the
watch.
In the example on the right, “1234” is the movement
number.
Thank you for your purchase of this Citizen watch.
Before using the watch, read this instruction manual carefully to ensure
correct use.
After reading, be sure to store this manual in a safe place should it be
needed 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”.
Engraving position example
The engraving position may differ
depending on watch model.

2
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.
■ Safety advisories are categorized and depicted in this manual as follows:
Highly likely to cause death or serious injury
May cause serious injury or death
May 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 and/or precautions that should be observed.
Warning (caution) symbol followed by prohibited use and/or
operation advisory.
Safety precautions

3
Before using the watch
The followings must be done before using the watch:
●Checking the power reserve Page 8
Check the charge level of the watch.
●Checking the time signal reception Page 9
Check the result of the time signal reception.
●Setting the city Page 10
Select the city for which you want to indicate the time and date.

4
Before using the watch...............3
Component identification...........6
Checking the power reserve........8
Checking the time signal
reception ................................9
Setting the city ........................10
Notes on the time signal
reception ..............................14
On-demand reception—manual
signal reception activation.....22
During the Daylight Saving Time
season...................................24
Recharging your watch.............30
Adjusting the time/calender
manually...............................34
Table of contents

5
Checking and correcting the current
reference (0) position............. 38
Troubleshooting.......................42
Solar-powered watch handling
precautions...........................48
Water resistance ......................52
Precautions and
usage limitations...................55
Maintenance............................60
Information .............................61
Specifications...........................62

6
Hour hand
Daylight saving time
indication (ON/OFF)
Second hand
Signal reception
indication (OK/RX/NO)
Upper right
button (B)
Crown
Minute hand
Lower right
button (A)
Date indicator
City indication
Component identification
The illustrations in this instruction manual may differ from the actual
appearance of your watch.

7
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.

8
Checking the power reserve
1. Ensure that the crown is in position .
2. Press and release the lower right button A.
• When the charge of the
watch is low, the second
hand rotates a quarter
counterclockwise.
You need to charge the
watch. See page 30.
3. Press and release the lower
right button A.
The watch will resume normal
operation.
• The watch will resume normal operation
automatically after 10 seconds even without pressing
the button.


Crown position
The second hand indicates “OK” or “NO” at the end of this procedure to show the
reception result of the time signal.

9
Checking the time signal reception
1. Ensure that the crown is in position .
2. Press and release the lower
right button A.
The second hand moves and
indicates the reception result.
OK Reception has succeeded.
NO Reception has failed.
When reception has failed, see
page 22.
3. Press and release the lower right button A.
The watch will resume normal operation.
• The watch will resume normal operation
automatically after 10 seconds even without pressing
the button.


Crown position
When reception has
been successful

10
Select the city for which you want to indicate the time and
date.
1. Pull the crown out to position .
The second hand moves to indicate the currently
selected city.
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 11 to 13.
• Each time you select a city, the time and date of the
city you have selected will be indicated.
3. Pull the crown out to position .
The second hand rotates to indicate the current
Daylight Saving Time (SMT) setting.
• You can change the setting by rotating the crown. For
details, see pages 24 to 29.
4. Push the crown in to position .
The watch resumes normal operation. (The current
time is indicated.)
Setting the city
When “New York” (49
seconds position) is
selected


Crown position