Citizen AT8260-18A User manual

INSTRUCTION MANUAL

1
English
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://www.citizenwatch-global.com/) 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
This manual contains instructions that should be strictly followed at all times
not only for optimal use, but to prevent any injuries to yourself, other persons or
property.
We encourage you to read the entire booklet (especially, pages 60 to 71) and
understand the meaning of the following symbols:
■ 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
Safety precautions (IMPORTANT)

3
English
■ 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.
Safety precautions (IMPORTANT)

4
Before using this watch
After unpacking, the following must be done before using the watch:
◆
Checking the power reserve Page 17
Check the charge level of the watch.
◆
Setting the World Time Page 22
Select the city for which you want to indicate the time and date.
◆
Checking the time signal reception Page 41
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 light regularly to charge the watch.
For details of charging, see pages 12 to 19.

5
English
Before using this watch
◆
Protective Stickers
Be sure to remove any protective stickers that may be on your watch (case back,
band, clasp, etc.). 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.
◆
Band adjustment
We recommend seeking the assistance of an experienced watch technician
for sizing of your watch. If adjustment is not done correctly, the bracelet may
unexpectedly become detached leading to loss of your watch or injury.
Consult an authorized service center.

6
◆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.Please refer to the following chart for use.
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.
Before using this watch

7
English
Recessed buttons
Press the button with a narrow-tipped object such
as a wooden toothpick.
Before using this watch

8
Table of contents
Features ……………………………………………………………… 10
Component identication ………………………………………… 11
Charging your watch………………………………………………… 12
Using the chronograph……………………………………………… 20
Setting the World Time ……………………………………………… 22
Setting Summer Time ……………………………………………… 26
Notes on the time signal reception ………………………………… 33
Checking the time signal reception………………………………… 41
Receiving the time signal manually (On demand reception) …… 43
Adjusting the time/calendar manually …………………………… 45
Checking and correcting the current reference position ………… 50

9
English
Table of contents
Troubleshooting …………………………………………………… 54
Eco-Drive watch handling precautions …………………………… 60
Water resistance …………………………………………………… 64
Precautionary items and usage limitations ……………………… 66
Specications………………………………………………………… 72

10
Features
* "Eco-Drive" is Citizen's original technology.
"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.
"World Time"
Easy to see the time and calendar of cities all
over the world.
"Eco-Drive"
No need for periodical changing
of rechargeable cells. The watch is
charged by light.
"Chronograph"
Measures the elapsed time up to
60 minutes.
"Perpetual calendar"
No need for date correction at the
end of each month.
The leap year is also updated
automatically.

11
English
Component identification
24
12
60
30
1050
2040
00
50
10
20
30
80
90
4060
70
LON
PAR
ATH
RUH
DXB
KHI
DEL
DAC
BKK
BJS
TYO
ADL
SYD
NOU
AKL
MDY
HNL
ANC
LAX
DEN
CHI
NYC
SCL
RIO
FEN
PDL
OK
RX
NO
S
M
T
W
T
F
S
ON
SMT
OFF
* The illustrations in this instruction manual may differ from the actual appearance of your watch.
* A solar cell is placed under the dial.
Chronograph minute
hand
Summer Time
indication (ON/OFF)
Minute hand
Upper right
button (B)
Date indication
Crown
Lower right
button (A)
Day of the week
indication
Chronograph
1/20 second hand
Power reserve level
Hour hand
24-hour hand
Second hand or
chronograph second
hand
Reception result
indication
(OK/RX/NO)
City indication

12
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 watch can be charged effectively when the
dial is exposed to sunlight as shown in the
figure.
For optimal performance, be sure to:
• Charge the watch by exposing it to 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.
Charging your watch

13
English
Charging your watch
• If the watch is obscured from light by long sleeves frequently, supplemental
charging may be needed to ensure continual operation.
• Do not charge the watch at high temperature (about 60°C/140°F or higher).

14
Charging your watch
◆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. Be sure to fully charge
your watch.
• When the watch is sufficiently charged, the second hand will move normally.
• If you do not charge the watch for
2 days or longer after the insufficient
charge warning movement has begun,
the watch will be depleted of all
power and stop.
• When in the insufficient charge
warning state, the current time and
date are indicated. However, you
cannot configure or confirm settings,
or operate the chronograph.

15
English
Charging your watch
◆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
cell is discharged
To become fully
charged when the
cell is discharged
Outdoors (sunny) 100,000 5 minutes 2 hours 30 hours
Outdoors (cloudy) 10,000 11 minutes 2 hours 40 hours
20 cm (7-7/8 inches)
from a fluorescent
lamp (30W)
3,000 40 minutes 3.5 hours 130 hours
Interior lighting 500 4 hours 15 hours 920 hours
Maximum run time from full charge: Approx. 6 months (in normal operation),
approx. 10 months (with power save feature)

16
Charging your watch
◆Power save feature
When the watch is not exposed to light for 30 minutes or longer, such as when
you store it in a dark place, the second hand automatically stops to save the
power.
However, the watch continues to work internally.
• When the crown is in position 1 or 2, 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.

17
English
Charging your watch
◆Checking the power reserve
Check the current power reserve.
Ⓐ
01 2
50
40
You can not perform this operation when using
the chronograph.
1. Ensure that the crown is in position 0.
2. Press the lower right button Ⓐ.
The chronograph minute hand moves to indicate
the power reserve.
• For details on the power reserve level, see the
next page.
3. Press the lower right button Ⓐto finish the
check procedure.
• The current time indication will resume
automatically when leaving the watch for
approx. 10 seconds.

18
Charging your watch
The power reserve level
Level 3210
Power
reserve
level
Approximate
duration of
operation at
each level
Approx. 180 to 130 days Approx. 130 to 30 days Approx. 30 to 2 days Approx. 2 days
Power reserve
is sufficient for
all features and
functions. Optimal
performance is
achieved at this
level.
Power reserve is
sufficient for all
operations at this
level.
Power reserve is
getting low.
The watch should
be fully charged
to ensure optimal
performance.
Power reserve is
not sufficient for
normal operation.
The watch must
be fully charged.
The watch must be charged immediately.
10
50
20
40
10
50
20
40
10
50
20
40
10
50
20
40

19
English
Charging your watch
• When the power reserve is at level 1 or 0, the chronograph minute hand always
indicates the power reserve level.
• When the power reserve is at level 0, the current time and date are indicated.
However, you cannot configure or confirm settings, or operate the chronograph.