Casio Watch MA1409 EA User Manual
MA1409-EA  
© 2014 CASIO COMPUTER CO., LTD.  
Operation Guide 5412  
●
Fast Forward/Fast Reverse  
Navigating Between Modes  
Basic Operations  
After pulling out the crown, rotating it  
quickly in succession in either direction  
will start a fast forward or fast reverse  
operation. While a fast forward operation  
is in progress, quickly rotating the crown  
in succession again will increase the  
speed even further.  
This watch has a Timekeeping Mode and  
a Stopwatch Mode.  
This section provides an overview of the  
watch and its operations.  
Timekeeping Mode  
Stopwatch Mode  
Note  
C
●
The illustrations included in this  
manual have been created to  
facilitate explanation. An  
illustration may differ somewhat  
from the item it represents.  
●
The fast reverse operation speed is  
fixed and cannot be changed.  
Mode hand  
●
Stopping Fast Forward/Fast  
Reverse  
Timekeeping Mode:  
General Guide  
Rotate the crown in the direction  
opposite that of the ongoing operation or  
press any button.  
Normally the mode hand points to the  
current day of the week.  
In the Airplane Mode, the mode hands  
① ② ③  
points to h.  
④
Note  
⑨
⑤
Stopwatch Mode:  
●
The mode hand always points to “STW”,  
even in the Airplane Mode.  
If you do not perform any  
operation for about two minutes  
after pulling out the crown,  
crown operations will  
⑥
⑦ ⑧  
Use the (C) button to navigate between  
modes.  
A
B
C
D
E
F
G
H
I
Hour hand  
Second hand  
Minute hand  
automatically become disabled.  
If that happens, push the crown  
back in and then pull it out again.  
●
Hold down (C) for at least two seconds  
to return to the Timekeeping Mode.  
24-hour hand  
●
Holding down (C) for four seconds or  
longer will enter or exit the Airplane  
Mode.  
Small minute hand  
Small hour hand  
Mode hand  
Solar Charging  
l Using the Watch on an Aircraft  
What is solar charging?  
Day indicator  
Crown  
This watch runs on power supplied from  
a rechargeable (secondary) battery that  
is charged by a solar panel. The solar  
panel is integrated into the face of the  
watch, and power is generated  
Using the Crown  
Depending on the operation you want to  
perform, pull out the crown to the first or  
second click and then rotate it.  
Watch Face Items  
①
First click  
whenever the face is exposed to light.  
Second click  
⑤
⑥
⑦
⑧
②
③
●
This watch uses a special  
rechargeable (secondary) battery.  
ー
The watch’s battery will not charge if  
the watch’s temperature is less than  
approximately -10°C (14°F) or  
greater than approximately 60°C  
(140°F).  
Normal position Crown  
④
A
Time calibration reception in  
progress  
Important!  
ー
Over-discharge will occur if the  
B
C
GPS signal time information and  
position information acquisition in  
progress  
●
To prevent loss of water  
watch is not charged within  
approximately three months after it  
stops operation due to low battery  
power. Charging may not be  
possible after over-discharge  
occurs.  
resistance and/or damage due  
to impact, be sure to push the  
crown in to its normal position  
after you are finished using it.  
GPS signal time information  
reception in progress  
●
D
E
F
G
H
Signal receive result  
Summer time setting  
Stopwatch Mode  
Airplane Mode  
When pushing the crown back  
in, take care not to apply too  
much force.  
Day of the week  
1
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Operation Guide 5412  
Time Adjustment Using GPS  
Time Adjustment (GPS,  
Time Calibration Signal)  
Power Saving Function  
Leaving the watch in a dark location for  
about one hour between the hours of 10  
p.m. and 6 a.m. will cause the second  
hand to stop, and the watch will enter  
Level 1 power saving. If the watch is left  
in this condition for six or seven days, all  
hands will stop and the watch will enter  
Level 2 power saving.  
Appropriate Signal Reception  
Location  
The watch’s time, day, and Home City  
(time zone) settings can be configured in  
accordance with a received GPS signal  
or time calibration signal.  
GPS signal reception is possible  
outdoors where the sky is visible and not  
blocked by buildings, trees, or other  
objects.  
●
GPS signal position information: Used  
to update Home City (time zone), time,  
and day settings.  
Level 1:  
●
●
GPS signal time information: Used to  
update time and day settings.  
Basic timekeeping functions are  
operational.  
Time calibration signal: Used to update  
time and day settings.  
Level 2:  
Only the day indicator is operational.  
Important!  
Note  
●
Before trying to receive GPS  
Note  
signal time information and/or a  
time calibration signal, first use  
GPS to acquire position  
information and configure  
Home Time (time zone)  
settings.  
●
Note that the watch also may  
enter the power saving state if its  
face is blocked from light by your  
sleeve while you are wearing it.  
●
In areas where reception is  
poor, keep the watch face  
oriented upwards and do not  
move the watch.  
●
The watch will enter power  
saving from the Timekeeping  
Mode only.  
●
When the watch is set up for  
●
Put the watch into the Airplane  
auto receive, take care to avoid  
covering the watch face with the  
sleeve of your clothing.  
Mode whenever you are inside  
an aircraft or in any other area  
where radio wave reception is  
prohibited or restricted.  
l Using the Watch on an  
Aircraft  
●
Recovering from Power Saving  
Operation  
●
GPS signal reception is not  
Press any button or place the watch in a  
well-lit area to recover from power  
saving.  
possible in the areas described  
below.  
ー
Where the sky is not visible  
Indoors (Reception may be  
ー
Note  
possible near a window.)  
Near wireless communication  
ー
●
Areas where time calibration  
equipment or other devices  
that generate magnetism.  
signal reception is supported  
are limited. When the watch in  
an area where time calibration  
signal reception is not  
supported, adjust time and day  
settings based on GPS signals.  
l Time Calibration Signal  
Reception Ranges  
●
You may experience GPS signal  
reception problems in the areas  
described below.  
ー
Where the view of the sky  
above is narrow  
Near trees or buildings  
Near a train station, airport, or  
ー
ー
other congested areas  
3
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Operation Guide 5412  
●
If position information acquisition  
Acquiring GPS Position  
Information Manually  
Acquiring GPS Time Information  
is successful, the second hand will  
move to “YES” and then the watch  
will automatically adjust its time  
and day settings.  
Manually  
You can use a button operation to  
acquire GPS position information and  
adjust your Home City (time zone), time,  
and day settings in accordance with your  
current location.  
You can use a button operation on the  
watch to receive GPS signal time  
information. When the receive operation  
is successful, the watch’s Home City  
(time zone), day, and time settings will be  
adjusted accordingly.  
Note  
Note  
●
GPS signal reception requires  
●
If position information acquisition  
fails for some reason, the second  
hand will move to “NO” and then  
the watch will indicate the current  
time and day without adjusting  
them.  
●
large amounts of power.  
GPS signal reception requires  
large amounts of power.  
Perform it only when necessary.  
Perform it only when necessary.  
Getting ready  
Getting ready  
The receive operation is performed only  
while the watch is in the Timekeeping  
Mode (normal timekeeping).  
The receive operation is performed only  
while the watch is in the Timekeeping  
Mode (normal timekeeping).  
Note  
●
Normally the mode hand points to the  
●
●
current day of the week.  
Normally the mode hand points to the  
Reception takes anywhere from  
current day of the week.  
about 30 seconds to about two  
minutes.  
l Navigating Between Modes  
l Navigating Between Modes  
●
●
It can take as long as 13 minutes  
when leap second information is  
included.  
Mode  
hand  
Mode  
hand  
You may experience location  
information acquisition  
1. Move to a location appropriate for  
signal reception and orient the watch  
so its display is pointed straight up at  
the sky.  
problems when you are in the  
vicinity of a time zone  
borderline.  
1. Move to a location appropriate for  
signal reception and orient the watch  
so its display is pointed straight up at  
the sky.  
The watch’s time and day will  
not be indicated correctly if the  
Home City (Time Zone) setting  
is not right for your location.  
Perform position information  
acquisition in a representative  
city in your time zone or in a  
location that is well within the  
time zone. Or you can perform a  
time information receive  
2. Hold down (B) for at least three  
seconds. Release the button as soon  
as the second hand points to “T+P”.  
2. Hold down (B) for at least one  
second. Release the button as soon  
as the second hand points to “T  
(TIME)”.  
●
The second hand will move in the  
following sequence: “YES” or  
“NO” n “T (TIME)” n “T+P”.  
●
The second hand will move in the  
following sequence: “YES” or  
“NO” n “T (TIME)”.  
●
This indicates that position  
information acquisition has  
started.  
●
This indicates that time  
operation to adjust time and day  
settings after configuring Home  
City (Time Zone) and summer  
time settings manually.  
information receipt has started.  
Second hand  
Second hand  
l Selecting a Time Zone  
l Acquiring GPS Time  
Information Manually  
4
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Operation Guide 5412  
●
●
If information acquisition is  
successful, the second hand will  
move to “YES”, and then the watch  
will automatically adjust its time  
and day settings.  
Position information  
Time Adjustment Using a  
Time Calibration Signal  
●
Watch is in the Timekeeping Mode  
(normal timekeeping).  
Appropriate Signal Reception  
Location  
A time calibration signal can be received  
while the watch is near a window.  
●
●
The watch exited the Airplane Mode.  
Current time is between 6:00 a.m. and  
10:00 p.m.  
●
●
Keep metal objects away from the  
Light (near a window on a clear day)  
continually shining on the face of the  
watch for about one to two minutes.  
watch.  
●
Do not move the watch.  
●
Do not perform any operation on the  
watch.  
●
Note  
If reception fails for some reason,  
the second hand will move to “NO”  
and then the watch will indicate the  
current time and day without  
adjusting them.  
12 o'clock  
●
The time information receive  
operation takes anywhere from  
about seven seconds to one  
minute, while position  
information acquisition takes  
anywhere from about 30  
seconds to two minutes.  
Note  
●
Reception takes anywhere from  
about seven seconds to about  
one minute.  
●
The receive operation can take  
as long as 13 minutes when leap  
second information is included.  
Note  
●
It can take as long as 13 minutes  
when leap second information is  
included.  
●
You may experience time  
calibration signal reception  
problems in the areas described  
below.  
Leap seconds  
A GPS signal received on or around June  
1 or December 1 each year may also  
include leap second information.  
ー
Among or near buildings  
Auto GPS Signal Receive  
ー
While riding in a vehicle  
When the conditions below are satisfied,  
the watch will automatically receive a  
GPS signal. If any time information  
receive is successful, the watch will no  
longer attempt to receive a signal for the  
rest of the day.  
ー
Near household appliances,  
office machines, mobile  
phones, etc.  
Note  
ー
On a construction site, in an  
●
airport, or any other location  
where radio wave  
interference occurs  
Near high-voltage lines  
In mountainous areas or  
behind a mountain  
The receive operation can take  
as long as 13 minutes when leap  
second information is included.  
ー
●
Time data  
●
Once leap second information is  
ー
●
Watch is in the Timekeeping Mode  
successfully received, the  
watch will not make any attempt  
to receive it again until the next  
leap second information is sent  
(the following June 1 or  
(normal timekeeping).  
●
Current time is between 6:00 a.m. and  
10:00 p.m.  
●
Light (near a window on a clear day)  
December 1).  
continually shining on the face of the  
watch for about one to two minutes.  
●
Time calibration signal reception was  
not successful during the previous  
evening.  
5
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Operation Guide 5412  
Checking the Receive  
Operation Result  
Time Calibration Signal Reception  
Ranges  
Auto Time Calibration Signal  
Receive  
You can use the procedure below to  
check the result of the last GPS or time  
calibration signal receive operation.  
Time calibration signal reception is  
supported in the areas shown below.  
An automatic time calibration signal  
receive operation is performed and the  
time and day settings are adjusted  
between midnight and 5:00 a.m. Once a  
signal receive operation is successful, no  
more auto receive operations are  
performed that day.  
●
Japan Time Calibration Signal  
Getting ready  
(JJY)  
Enter the Timekeeping Mode.  
l Navigating Between Modes  
1,000 kilometers  
500 kilometers  
Fukuoka/  
1. Press (B).  
The receive operation is performed only  
while the watch is in the Timekeeping  
Mode (normal timekeeping).  
Saga  
500 kilometers  
Fukushima  
The second hand will move and  
indicate the receive operation result.  
Tokyo  
1,000 kilometers  
●
Normally the mode hand points to the  
current day of the week.  
“YES”: Receive successful  
“NO”: Receive failed  
●
●
●
Chinese Time Calibration Signal  
(BPC)  
Second hand  
l Navigating Between Modes  
Changchun  
1,500 kilometers  
500 kilometers  
Mode  
hand  
Beijing  
Shanghai  
Chengdu  
Hong Kong  
Shangqiu  
Place the watch near a window or some  
other location appropriate for signal  
reception.  
2. Press (B) or do not perform any  
operation for one or two seconds to  
return to the current time.  
U.S. Time Calibration Signal  
(WWVB)  
●
The second hand points to “RC” while  
Note  
600 miles  
time calibration reception in progress.  
(1,000 kilometers)  
New York  
●
When the receive operation is  
Denver  
●
Chicago  
Even if there was a successful  
Los Angeles  
successful, the time and day settings  
will be adjusted automatically.  
Fort Collins  
receive operation, the second  
hand will point to “NO” if you  
adjusted the time setting  
manually.  
2,000 miles (3,000 kilometers)  
Note  
U.K. (MSF) and German (DCF77)  
Time Calibration Signal  
●
Reception takes anywhere from  
1,500 kilometers  
about two minute to about 10  
minutes. It can take as long as  
20 minutes.  
Signal Reception  
Precautions  
Anthorn  
Mainflingen  
500 kilometers  
●
GPS signal and time calibration signal  
reception will not be possible under  
any of the watch conditions described  
below.  
The Anthorn signal is receivable within this area.  
ー
While battery power is low  
Note  
ー
While the watch is in the Airplane  
Mode or Stopwatch Mode  
When power saving is at Level 2  
(GPS signal reception also is not  
possible at Level 1.)  
While the crown is pulled out  
While the stopwatch is measuring  
elapsed time  
While the temperature of the watch  
●
Even if you are within the normal  
reception range of a time  
ー
calibration signal, reception  
may be made impossible by the  
following factors: geographic  
contours, weather, the season,  
the time of day, wireless noise.  
ー
ー
ー
is less than approximately -10°C  
(14°F) or greater than approximately  
60°C (140°F)  
6
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Operation Guide 5412  
●
●
Note that an internal decoding process  
Each time the (C) button is held down  
for about four seconds, the watch  
enters or exits the Airplane Mode.  
3. Hold down the (A) button for about  
one second to change the summer  
time setting.  
the watch performs after it receives a  
signal may cause the time setting to be  
slightly off (by less than one second).  
●
Each press of (A) cycles through  
available settings in the sequence  
shown below.  
●
If the receive operation is successful,  
the time and day settings will be  
adjusted automatically in accordance  
with the Home City (time zone) and  
summer time settings. Summer time  
will not be applied correctly in the  
cases described below.  
When the summer time start date  
and time, end date and time, or other  
rules are changed by authorities  
World Time  
World Time lets you look up the current  
time in any one of 27 cities and 40 time  
zones around the globe.  
“AT (AUTO)” n “STD” n “DST”  
Getting ready  
Enter the Timekeeping Mode.  
l Navigating Between Modes  
ー
●
“AT (AUTO)”  
ー
When position information cannot  
Checking the Time in  
Another Zone  
The watch switches between  
standard time and summer time  
automatically.  
be acquired correctly  
ー
When position information can be  
1. Pull out the crown to the first click.  
acquired, but it is wrong because the  
watch is located near a time zone  
boundary, etc.  
●
“STD”  
The hands of the watch will move to  
the current time in the currently  
selected World Time City.  
The watch always indicates  
standard time.  
●
As of December 2013, China does not  
observe summer time. If China starts to  
observe summer time in the future, the  
time displayed by the watch for China  
may not be correct.  
●
“DST”  
Time zone  
The watch always indicates  
summer time.  
4. Push the crown back in.  
Small  
minute hand  
Crown  
●
When the watch is unable to adjust its  
time in accordance with a calibration  
signal for some reason, average  
timekeeping accuracy is within ±15  
seconds per month.  
Note  
Small hour  
hand  
●
When a time zone for which  
2. Rotate the crown to change the time  
zone.  
there is no city name displayed  
is selected, use “STD” or “DST”  
for the summer time setting.  
The small hour hand and small  
minute hand indicate the current  
time in the selected time zone.  
●
You cannot switch between  
Using the Watch on an  
Aircraft  
“STD” and “DST” while “UTC” is  
selected as the Home City (time  
zone).  
●
Hold down the (B) button for about  
Enter the Airplane Mode when in an  
aircraft or anywhere else where GPS or  
time calibration signal reception is  
restricted.  
one second to display UTC  
(Universal Time Coordinated)  
time.  
Entering the Watch Airplane  
Mode  
Small  
Minute  
Holding down (C) for about four seconds  
to enter the watch’s Airplane Mode. The  
mode hand will move to the Airplane  
mark.  
Hand  
Crown  
Small Hour Hand  
Airplane mark  
7
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Operation Guide 5412  
Stopwatch  
Adjusting Time Settings  
1. Pull out the crown to the second click.  
Manually  
The second hand will move to the  
currently selected time zone.  
The stopwatch measures elapsed time in  
units of 1/20 (0.05) seconds up to 23  
minutes, 59.95 seconds (24 minutes).  
You can use the procedure below to  
adjust the watch’s time and day settings  
when GPS and time calibration signal  
reception is not possible for some  
reason.  
Getting ready  
Enter the Stopwatch Mode.  
l Navigating Between Modes  
Crown  
Selecting a Time Zone  
Time zone  
Use the procedure in this section to  
select a city (time zone) to use as your  
Home City. If you are in an area that  
observes summer time, you can also  
enable or disable summer time.  
2. Rotate the crown to change the time  
zone.  
●
You can also select a time zone  
whose name is not indicated on  
the face of the watch.  
Measuring Elapsed Time  
●
Note  
For information about time zones,  
Stopwatch  
1/20 (0.05)-second  
see the “City (Time Zone) List”.  
●
The initial factory default  
Stopwatch minutes  
and seconds  
3. Hold down (A) for about one second  
to change the summer time setting.  
summer time setting for all cities  
(time zones) is “AT (AUTO)”.  
With this setting, the watch  
automatically switches between  
summer time and standard time  
as required. The “AT (AUTO)”  
setting lets you use the watch  
without worrying about  
Mode hand  
●
Each press of (A) cycles through  
available settings in the sequence  
shown below.  
“AT (AUTO)” n “STD” n “DST”  
1. Use the operations below to  
measure elapsed time.  
A
Start  
changing the summer time  
setting.  
A Stop  
●
When performing a manual  
Resume  
A
operation to select a time zone  
for which there is no city name  
displayed, use “STD” or “DST”  
for the summer time setting.  
●
“AT (AUTO)”  
The watch switches between  
standard time and summer time  
automatically.  
A
Stop  
●
The stopwatch 1/20 (0.05)-second  
●
In the cases described below,  
hand will move for the first 30  
seconds after an elapsed time  
measurement operation is started,  
and then stop. When the elapsed  
time measurement operation is  
stopped, the hand will move to the  
appropriate position to indicate the  
final 1/20 (0.05)-second count.  
●
“STD”  
receiving GPS position  
information will automatically  
cause “AT (AUTO)” to be  
selected for the summer time  
setting.  
The watch always indicates  
standard time.  
●
“DST”  
The watch always indicates  
summer time.  
ー
When the time zone of the  
current receive operation is  
different from the watch’s time  
zone setting prior to the  
receive operation.  
4. Push the crown back in to its normal  
position.  
2. Press (B) to reset the elapsed time to  
all zeroes.  
ー
When the time zone is  
3. Press (C) to return to the  
Timekeeping Mode.  
unchanged, but the acquired  
position information is for a  
geographic area with different  
summer time rules (start date,  
end date)  
8
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Operation Guide 5412  
Summer Time  
Adjusting Hand and Day  
Indicator Alignment  
6. Press (C).  
Summer time, which is also known as  
Daylight Saving Time (DST), advances  
the time setting one hour, 30 minutes, or  
some other amount of time from standard  
time (STD) during the summer months.  
Whether or not and how summer time is  
used depends on your country or local  
area. Summer time is not used in some  
countries and local areas.  
This enables the year one’s digit  
setting operation.  
Strong magnetism or impact can cause  
the time indicated by the hands and the  
day indicator to go out of alignment. If this  
happens, adjust hand and day indicator  
alignment.  
0
1
2
4
＋
－
9
8
3
●
The watch performs alignment of the  
7
6
5
hour hand, minute hand, second hand,  
and 24-hour hand automatically.  
Year (1’s digit)  
7. Rotate the crown to move the second  
hand to the desired setting for the  
year one’s digit.  
Adjusting the Time and Day  
Setting  
Adjusting Hand and Day  
Indicator Alignment  
1. Pull out the crown to the second click.  
8. Press (C).  
1. Pull out the crown to the second click.  
The second hand will move to the  
currently selected time zone.  
This changes to the month setting  
operation.  
2. Hold down (B) for about five  
seconds, until the second hand  
moves to 12 o’clock.  
Hours  
Minutes  
12  
1
5
11  
2
4
10  
9
＋
－
This will start auto alignment of the  
hour hand, minute hand, second  
hand, and 24-hour hand.  
3
8
Crown  
●
7
After auto alignment is complete,  
6
Time zone  
the hands should be in the  
positions shown below.  
Month  
2. Hold down (C) for about 10 seconds.  
9. Rotate the crown to change the  
month.  
Hour hand  
This causes the second hand to  
move to 12 o’clock and enables the  
hour and minute setting operation.  
Minute hand  
Second  
hand  
10. Press (C).  
This changes to the day setting  
operation.  
3. Rotate the crown to adjust the hour  
and minute settings.  
24-hour  
hand  
Crown  
4. Press (C).  
＋
－
This enables the year 10’s digit  
setting operation.  
●
If the 24-hour hand is off by 12  
hours, hold down (A) for about two  
seconds. The 24-hour hand will  
move to 12 o’clock.  
Year (10’s digit)  
00  
10  
Day  
20  
＋
90  
80  
30  
11. Rotate the crown to change the day.  
－
40  
12. On a time signal at the top of a  
minute, push the crown back in.  
70  
50  
60  
5. Rotate the crown to move the second  
hand to the desired setting for the  
year ten’s digit.  
9
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Operation Guide 5412  
●
After Arriving  
3. Press (C).  
Note  
1. Exit the Airplane Mode.  
Confirm that the small hour hand and  
small minute hand are stopped at 12  
o’clock.  
●
Leaving the crown pulled out for  
2. Perform a GPS signal position  
acquisition operation, which will  
adjust the watch’s time setting to  
your current location.  
more than approximately 30  
minutes without performing any  
operation will automatically  
cause the adjustment operation  
to become disabled. If this  
happens, push the crown back  
in to its normal position and then  
pull it out gain to restart the  
procedure from the beginning.  
Pushing the crown in to its  
normal position part way  
Small Minute  
Hand  
Small Hour  
Hand  
4. If the small hour hand and small  
minute hand are not at 12 o’clock,  
rotate the crown to align them  
correctly.  
through the alignment  
procedure will cause the hands  
to return to their normal position.  
Any alignment you performed  
up to that point will be applied.  
5. Press (C).  
l Using the Watch on an Aircraft  
Confirm that the mode hand is  
stopped at 12 o’clock.  
l Acquiring GPS Position  
Information Manually  
Mode hand  
Other Information  
City (Time Zone) List  
A time zone for which no city name is  
displayed by the watch is indicated in the  
table below by a hyphen (-) in the “City  
Code” column. The “City Name” column  
will contain the name of a representative  
city in that zone.  
Moving To Another Time  
Zone  
Use the procedure below to easily  
change day and time settings of the  
watch to a destination location.  
6. If the mode hand is not at 12 o’clock,  
rotate the crown to align it correctly.  
●
Any time you perform a GPS signal  
7. Press (C).  
receive operation, the watch may try to  
acquire leap second information. A  
leap second information receive  
operation can take as long as 13  
minutes. Make sure the watch is  
sufficiently charged before performing  
a GPS signal receive operation after  
you arrive at your destination.  
Confirm that the day indicator shows  
1.  
Second  
Hand  
Position  
City  
code  
UTC  
Offset  
City Name  
Coordinated  
Universal Time  
LON London  
PAR Paris  
ATH Athens  
JED Jeddah  
(Tehran)  
DXB Dubai  
(Kabul)  
(Karachi)  
DEL Delhi  
UTC  
Second 0  
Second 2  
0
0
Day  
Second 4 +1  
Second 6 +2  
Second 8 +3  
Second 9 +3.5  
Second 10 +4  
Second 11 +4.5  
Second 12 +5  
Second 13 +5.5  
●
Prior to Takeoff  
8. If 1 is not shown for the day, rotate the  
crown until 1 is shown.  
1. Enter the watch’s Airplane Mode  
when instructed to do so by airline  
personnel.  
-
9. Push the crown back in.  
-
-
-
(Kathmandu) Second 14 +5.75  
DAC Dhaka  
Second 15 +6  
Second 16 +6.5  
Second 17 +7  
Second 19 +8  
Second 21 +8.75  
Second 22 +9  
Second 23 +9.5  
Second 24 +10  
Airplane mark  
-
(Yangon)  
BKK Bangkok  
HKG Hong Kong  
-
(Eucla)  
TYO Tokyo  
-
(Adelaide)  
SYD Sydney  
(Lord Howe  
Island)  
-
Second 25 +10.5  
10  
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Operation Guide 5412  
Troubleshooting  
Summer Time  
Start  
Summer Time  
End  
2:00 a.m., last  
Sunday in  
October  
3:00 a.m., last  
Sunday in  
October  
4:00 a.m., last  
Sunday in  
October  
Second  
Hand  
Position  
City Name  
City  
code  
UTC  
Offset  
City Name  
Signal Reception (GPS)  
1:00 a.m., last  
Sunday in March  
London  
NOU Noumea  
Second 26 +11  
Second 27 +11.5  
Second 28 +12  
Second 30 +12.75  
Q1  
The watch cannot  
perform a receive  
operation.  
(Norfolk  
Island)  
-
2:00 a.m., last  
Sunday in March  
Paris  
WLG Wellington  
(Chatham  
Islands)  
-
Is the watch’s battery charged?  
3:00 a.m., last  
Sunday in March  
Athens  
Sydney  
TBU Nuku’alofa  
CXI  
Second 31 +13  
Second 33 +14  
BAR Baker Island Second 36 -12  
Signal reception is not possible  
while battery power is low. Keep  
the watch exposed to light until it  
Kiritimati  
2:00 a.m., first  
Sunday in  
October  
3:00 a.m., first  
Sunday in April  
YES  
PPG Pago Pago  
HNL Honolulu  
Second 38 -11  
Second 40 -10  
recharges sufficiently.  
2:00 a.m., last  
Wellington Sunday in  
September  
3:00 a.m., first  
Sunday in April  
(Marquesas  
Islands)  
Is the watch in the Timekeeping Mode  
(not Airplane Mode)?  
-
Second 41 -9.5  
Second 42 -9  
2:00 a.m.,  
2:00 a.m., first  
ANC Anchorage  
Anchorage second Sunday Sunday in  
Signal reception is not possible  
whilethewatchisintheStopwatch  
Mode or Airplane Mode. Enter the  
Timekeeping Mode (not Airplane  
LAX Los Angeles Second 44 -8  
in March  
November  
DEN Denver  
CHI Chicago  
NYC New York  
Second 46 -7  
Second 48 -6  
Second 50 -5  
2:00 a.m.,  
second Sunday Sunday in  
in March  
2:00 a.m., first  
Los  
Angeles  
November  
YES  
Mode).  
2:00 a.m.,  
2:00 a.m., first  
-
(Venezuela) Second 51 -4.5  
Denver  
second Sunday Sunday in  
SCL Santiago  
Second 52 -4  
Second 53 -3.5  
Rio de Janeiro Second 54 -3  
Fernando de  
Second 55 -2  
Noronha  
in March  
2:00 a.m.,  
second Sunday Sunday in  
in March  
November  
2:00 a.m., first  
After checking the above, the watch  
still cannot perform a receive  
operation.  
-
(St. John’s)  
RIO  
Chicago  
November  
FEN  
GPS signal reception is not  
possible under the conditions  
described below.  
2:00 a.m.,  
2:00 a.m., first  
RAI  
Praia  
Second 56 -1  
New York second Sunday Sunday in  
in March November  
●
The contents of the above table are  
current as of December 2013.  
Midnight, end of Midnight, end of  
second Saturday second Saturday  
●
During power saving  
Santiago  
●
While the crown is pulled out  
in October  
in March  
Summer Time Table  
Midnight, start of  
third Sunday in  
February, or  
midnight, start of  
fourth Sunday in  
February  
●
While the watch temperature is  
less than approximately -10°C  
(14°F) or more than  
When “AT (AUTO)” is selected for a city  
that observes summer time, switching  
between standard time and summer time  
will be performed automatically at the  
timing shown in the table below.  
Midnight, start of  
third Sunday in  
October  
Rio de  
Janeiro  
approximately 60°C (140°F)  
Q2  
The second hand  
●
The contents of the above table are  
current as of December 2013.  
remains at “T+P” or “T  
(TIME)” during the signal  
receive operation.  
Note  
Function Limitations  
●
If the summer time start and end  
The watch may be receiving leap second  
information.  
dates for your current location  
have been changed from those  
indicated in the table, you will  
need switch between “STD” and  
“DST” manually.  
●
How temperature affects watch  
functions  
l Leap seconds  
This functions below are disabled while  
the temperature of the watch is less than  
approximately -10°C (14°F) or greater  
than approximately 60°C (140°F).  
●
In the case of a time zone for  
which no city name is displayed,  
you can automatically switch  
between standard time and  
summer time by acquiring GPS  
position information.  
●
GPS signal and time calibration signal  
receive operation  
●
Solar charging  
●
Hand and day indicator alignment  
adjustment  
11  
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Operation Guide 5412  
Signal Reception (Time  
Calibration Signal)  
Q3  
Q2  
The signal receive  
operation always fails.  
The signal receive  
operation always fails.  
Q1  
The watch cannot  
Is the watch in a location that is  
appropriate for signal reception?  
Is the watch in a location that is  
appropriate for signal reception?  
perform a receive  
operation.  
Check your surroundings and  
move the watch to a location  
where signal reception is better.  
Check your surroundings and  
move the watch to a location  
where signal reception is better.  
Is the watch’s battery charged?  
Signals reception is not possible  
while battery power is low. Keep  
the watch exposed to light until it  
l Appropriate Signal Reception  
Location  
l Appropriate Signal Reception  
Location  
YES  
YES  
YES  
recharges sufficiently.  
Is the face of the watch pointed  
straight upwards at the sky?  
Did you avoid touching the watch  
while the receive operation was in  
progress?  
Is the watch in the Timekeeping Mode  
(not Airplane Mode)?  
Minimize movement of the watch  
while the receive operation is in  
progress.  
When the watch is set up for auto  
receive, take care to avoid  
covering the watch face with the  
sleeve of your clothing.  
Minimize movement of the watch  
and do not perform any watch  
operations while a receive  
Signal reception is not possible  
whilethewatchisintheStopwatch  
Mode or Airplane Mode. Enter the  
Timekeeping Mode (not Airplane  
YES  
operation is in progress.  
YES  
Mode).  
Is the signal transmitter in your area  
transmitting a signal?  
Is your Home City (time zone) setting  
correct for your location?  
Q4  
Signal reception should  
The transmitter of the time  
calibration may not be transmitting  
a signal.  
have been successful,  
but the watch’s time and/  
or day is wrong.  
The watch will not indicate the  
correct time if the Home City (time  
zone) setting is wrong. Change  
your Home City (time zone) setting  
so it correctly indicates your  
location.  
Try again later.  
Hand Movement and  
Indications  
Is your Home City (time zone) setting  
correct for your location?  
Change your Home City (time  
zone) setting so it correctly  
indicates your location.  
Q1  
I don’t know what mode  
the watch is in.  
l Acquiring GPS Position  
Information Manually  
l Selecting a Time Zone  
YES  
Hold down (C) for at least two seconds to  
return to the Timekeeping Mode.  
l Acquiring GPS Position  
Information Manually  
l Selecting a Time Zone  
After checking the above, the watch  
still cannot perform a receive  
operation.  
●
Take care not to hold down the (C)  
YES  
button too long. Holding down the (C)  
button for about four seconds will enter  
or exit the Airplane Mode.  
After checking the above, the time  
and/or day settings is still wrong.  
Time calibration signal reception  
is not possible under the  
conditions described below.  
l Navigating Between Modes  
Adjust time and day settings  
manually.  
●
When watch is at Level 2 power  
saving  
●
When the crown is pulled out  
●
While the watch temperature is  
less than approximately -10°C  
(14°F) or more than  
approximately 60°C (140°F)  
If successful reception is not  
possible for some reason, you can  
adjust the time and day settings  
manually.  
12  
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Operation Guide 5412  
Q2  
Q7  
The second hand is  
The current time  
jumping at two-second or  
five-second intervals.  
indicated by the watch is  
off by one hour or 30  
minutes  
Battery power is low. Keep the watch  
exposed to light until it recharges  
sufficiently.  
The summer time setting is not correct.  
Select the correct setting.  
l Charging the Watch  
l Acquiring GPS Position Information  
Manually  
Q3  
All hands are stopped  
and buttons do not work.  
l Selecting a Time Zone  
Q8  
Hands and/or the day  
indicator is out of  
alignment.  
The battery is dead. Keep the watch  
exposed to light until it recharges  
sufficiently.  
l Charging the Watch  
Strong magnetism or impact may cause  
the hands of the watch to go out of  
alignment. Correct hand position  
alignment.  
Q4  
The hands suddenly start  
moving at high speed.  
This is due to one of the reasons below,  
and does not indicate malfunction.  
Simply wait until normal hand movement  
resumes.  
l Adjusting Hand and Day Indicator  
Alignment  
Crown Operations  
●
The watch is recovering from a power  
saving state.  
Q1  
Nothing happens when I  
rotate the crown.  
l Power Saving Function  
If you do not perform any operation for  
about two minutes after pulling out the  
crown (approximately 30 minutes in the  
case of hand and day indicator alignment  
operations), crown operations will  
automatically become disabled. Push  
the crown back in to its normal position  
and then pull it out again.  
●
The hands are moving to their new  
positions following a GPS signal or  
time calibration signal receive  
operation.  
l Time Adjustment (GPS, Time  
Calibration Signal)  
Q5  
Hands are stopped and  
buttons do not work.  
l Using the Crown  
The watch is in the charge recovery  
mode. Wait until the recovery process is  
complete (for about 15 minutes). The  
watch will recover more quickly if you  
place it in a brightly lit location.  
Q6  
The current time  
displayed by the watch is  
off by a few hours.  
The city (time zone) setting is not correct.  
Select the correct setting.  
l Acquiring GPS Position Information  
Manually  
l Selecting a Time Zone  
13  
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