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