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■ Date adjustment at the end of the month
It is necessary to adjust the date at the end of February and 30-day months.
2
Ex.) To adjust the date in the A.M. period on the first day of a month following a 30-day month
The watch displays "31" instead of "1." Pull out the crown to the first click.
Turn the crown counterclockwise to set the date to "1" and then push the crown back in to the normal
position.
* For models with screw down crown, please be sure to lock the crown after operating it.
• Avoid amending the date when the watch is displaying between 8 PM and 2 AM. Doing
so may cause damage.
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How to use the stopwatch
• Standard measurement Ex. 5,000 meters running
Start
3
A
Start the measurement
Button A
Button A
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Pull out the crown to the first
click
b CAUTION
Stop
Reset
A
B
Goal
Reset the stopwatch to
0 minute 0 second.
Example of measurement:
20 minutes 41 seconds
The chronograph can measure up to 30 minutes (for 8R46) or 12 hours (for 8R48).
* "Chronograph" refers to a watch function that measures the elapsed time while indicating the current time.
* Please do not pull out the crown to adjust the time/date while the stopwatch is in operation.
* Before using the stopwatch, be sure to check that the center stopwatch hand is at "0" position. If not, press button
B to reset it to "0" position.
* Before using the stopwatch, be sure to check that the watch is wound up sufficiently. If the power reserve indicator
indicates less than 10 hours of power reserve, the stopwatch cannot be used.
1
2
3
• Accumulated elapsed time measurement Ex. Measuring the time for a soccer match
Start
A
Start match.
Button A
Button B
How to use the chronograph
1 Center stopwatch seconds hand
2 Stopwatch minute hand (Measures
up to 30 minutes)
4
3 Stopwatch hour hand (Measures up
to 12 hours)
(8R48 only)
4 Button A
Start/Stop
5 Button B
5
Reset of the stopwatch
6 Tachymeter → P.21
6
* The position of the tachymeter display may differ
depending on the design of the model.
Stop
Start
A
A
Stop match.
Start again.
The match ends.
Button A
Button A
• Restart and stop of the stopwatch can be repeated.
3
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Stop
Reset
A
B
Reset the stopwatch
3
to 0 minute
0 second.
Button A
Button B
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