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Operation Guide 5351
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Important!
• Time calibration signal reception is disabled while the watch is in the World Time
Mode.
To view the time in another time zone
1. In the Timekeeping Mode, press C once to enter the World Time Mode.
• The b
Lower Dial Hand will move to WT.
• To select the UTC zone as your World Time, simply hold down B for about three
seconds. No other operation is required.
2. Pull out the crown.
• The x
Second Hand points to the currently selected World Time city code.
• The b Lower Dial Hand will indicate AT (AUTO), STD (standard time) or DST
(daylight saving time), which indicates the current daylight saving time setting.
• If you do not perform any operation with the crown for about two minutes after
pulling it out, crown operations will become disabled and the watch hands will no
longer move when you rotate the crown. If this happens, push the crown back in
and then pull it out again.
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3. Rotate the crown to move the x Second Hand to the city code you want to select
as the World Time City.
• Each time you select a city code, the z
Hour Hand, c Minute Hand, and n Day
Indicator move to the current time and day for that city code. For details about
city codes, see the “City Code Table” at the back of this manual.
• If you think that the time indicated for the selected World Time City is not correct,
it probably means that there is something wrong with your Home City settings.
Use the procedure under “To confi gure Home City settings” (page E-37) to correct
the Home City settings.
4. Hold down A for about one second to cycle through the summer time settings as
shown below.
A A
AT (AUTO) STD DST
A
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5. After selecting the city you want, push the crown back in to return to the World
Time Mode.
Swapping your Home City and World Time City
You can use the procedure below to swap your Home City and World Time City. This
capability can come in handy when you frequently travel between two locations in
different time zones.
The following example shows what happens when the
Home City and World Time City are swapped while the
Home City originally is TYO (Tokyo) and the World Time
City is NYC (New York).
Home City World Time City
Before
swapping
Tokyo
10:08 p.m.
(Standard time)
New York
9:08 a.m.
(Daylight saving time)
After
swapping
New York
9:08 a.m.
(Daylight saving time)
Tokyo
10:08 p.m.
(Standard time)
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To swap your Home City and World Time City
In the World Time Mode, hold down A for about three
seconds until the watch beeps.
• This indicates that your Home City and World Time City
have been swapped.
• After swapping the Home City and World Time City, the
watch will stay in the World Time Mode. The x
Second
Hand will point to your new World Time City (TYO in this
example).
Note
• If your current World Time City supports time calibration
signal reception, making it your Home City enables
calibration signal reception for that city.
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Using the Stopwatch
You can use the Stopwatch Mode to measure elapsed time and lap times, and to
recall lap times. Up to 10 lap times can be stored in memory. There is also memory
to record the fastest lap time. Though no more lap times are stored after 10 times are
in memory, the fastest lap time continues to be updated as required. Starting a new
elapsed time operation clears all of the memories (including fastest lap time).
What is a lap time?
A lap time is the time elapsed over a specifi c segment of a race.
Example: Car race on an oval track
Start
Lap 1
Lap 2
Lap 3
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Hands and Indicators
z Hour Hand: Indicates the stopwatch minute count
(1 revolution = 60 minutes).
x Second Hand: Indicates the 1/20 (0.05)-second count
during stopwatch operation.
c Minute Hand: Indicates the stopwatch seconds count.
b Lower Dial Hand: Indicates the current lap.
To enter and exit the Stopwatch Mode
In the Timekeeping Mode, press C twice to enter the
Stopwatch Mode.
• The b
Lower Dial Hand will move to LAP 1.
To perform an elapsed time operation
A
A A A B
Start Stop (Restart) (Stop) Reset
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To perform lap time measurement
A
B B
. . . . . .
A B
Start Lap (LAP1) Lap (LAP2) Stop Reset
• Each press of B records a lap time. You can record up to 10 lap times. After that,
you can still perform lap time operations, but they will not be recorded.
• After 10 lap times are recorded, the b
Lower Dial Hand will point to the mark.
This indicates that no more lap times will be recorded.
• If you perform a lap time operation that is not recorded (because 10 times are
already in memory) and that lap is the fastest lap, it will be recorded as the fastest
lap.
• Performing a new elapsed time operation after resetting the stopwatch will delete
previously recorded lap times.
• An ongoing elapsed time measurement operation is not affected by pulling out the
crown.
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• The x Second Hand, which indicates the 1/20 (0.05)-second count during
stopwatch operation, moves only 30 seconds after an elapsed time measurement
operation is started or restarted, or after a lap time is cleared. After that, the
x
Second Hand stops.
• When elapsed time passes 60 minutes, the z
Hour Hand and v Upper Dial Hand
will perform one full rotation.
To recall lap data
1. While in the Stopwatch Mode, pull out the crown to enter the Data Recall Mode.
2. Rotate the crown to select other laps.
• The b
Lower Dial Hand will indicate the lap number of currently shown time.
• The b
Lower Dial Hand will indicate FL (fastest lap) when the fastest lap time
is shown.
3. To return to the Stopwatch Mode, push the crown back in.
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Using the Countdown Timer
The countdown timer can be confi gured within a range of one minute to 60 minutes.
An alarm sounds for about 10 seconds when the timer reaches zero.
Hands and Indicators
x Second Hand: Indicates countdown or elapsed
seconds.
c Minute Hand: Indicates countdown or elapsed minutes.
b Lower Dial Hand: Points to TR.
• All hands move counterclockwise during a countdown.
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To specify the countdown start time
1. In the Timekeeping Mode, press C three times to enter
the Countdown Timer Mode.
• The b
Lower Dial Hand will move to TR.
2. In the Countdown Timer Mode, pull out the crown. This
enters the countdown start time setting mode.
• If you do not perform any operation with the crown for
about two minutes after pulling it out, crown operations
will become disabled and the hand will not move
when you rotate the crown. If this happens, push the
crown back in and then pull it out again.
3. Rotate the crown to set the countdown start time.
• The maximum countdown start time setting is
60 minutes. To set a countdown start time of
60 minutes, move the c
Minute Hand to 12 o’clock.
• See “Crown Operations” (page E-3) for information about
high-speed hand movement.
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