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● How to use the chronograph （stopwatch function）
１． Make sure that the mainspring is sufficiently wound and the watch is
working.
２．Start measuring time.
Upon pressing of the START/
STOP button, the chronograph
hands start moving and the chrono-
graph starts measuring time.
３．Stop measuring time.
At the moment you want to finish the mea-
surement, press the START/STOP but-
ton again to stop the chronograph hands.
４．Reset the chronograph hands.
After stopping the chro-
nograph hands, press the
RESET button to return
all the chronograph hands
to the 0 position.
※ The chronograph minute hand on the 30-minute dial completes two full rotations in an hour. To
correctly read the indication of the chronograph minute hand, check the position of the chronograph
hour hand on the 12-hour dial in combination with the position of the chronograph minute hand.
※ The orientation and design of the display may
vary depending on the model.
※ For models with a rotatable watchcase, rotate
it to the position for chronograph use.
Refer to "ROTATABLE WATCHCASE" on page 52.
Example: 6 hours 25 minutes 20 seconds
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■ CHRONOGRAPH
A chronograph is a watch that has a stopwatch function in addition to a
time display function.
This watch features a chronograph which can measure up to 12 hours.
● Before using the chronograph
１．Make sure that the mainspring is sufficiently wound.
（Ensure that the power reserve indicator shows a full-wound state of
the mainspring. When using the chronograph, ensure that the watch is
working.）
２． Make sure that all the chronograph hands are pointing at the 0 posi-
tion. If not, press the RESET button.
※ Do not pull out the crown while the chronograph is working, as doing so will stop the
measurement.
● Names of the chronograph parts and their function
※ The orientation and design of the display may vary depending on the model.
※ For models with a rotatable watchcase, rotate the watch it to the position for chronograph use.
Refer to "ROTATABLE WATCHCASE" on page 52.
30-minute dial
12-hour dial
Center chronograph second hand
Chronograph hour hand
Chronograph minute hand
START/STOP button
RESET button
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● Manual date adjustment at the end of the month
This watch is designed to display the date from the 1st to the 31st every month.
Therefore, manual date adjustment is required on the first day after a month
that has less than 31 days; February, April, June, September and November.
１．Make sure that the mainspring is sufficiently wound and the watch is working.
※ When setting the date and time, ensure that the watch is working.
３． Pull out the crown to the first
click.
Pull out the crown
to the first click.
２．Unlock the crown.
Refer to "How to use the screw lock type crown" on page 55.
Example: To set the date on the morning of the 1st day of a month that follows a non-31day month.
（when the date is displayed as "31" instead of "1"）
４． Turn the crown in the direction shown by the arrow until "1" appears
in the calendar window.
５．Push the crown back in. Make sure to relock the crown.
Refer to "How to use the screw lock type crown" on page 55.
※ Do not adjust the date when the hands of the
watch are indicating any time between 9:00PM and
1:00AM. To adjust the date during this time period,
pull out the crown to the second click and turn it to
temporarily advance the time to after 1:00AM, and
then push the crown back to the first click to set
the date.
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７． Continue to turn the crown in the same direction to set the
time. As the minute hand approaches the position approxi-
mately 10 minutes behind the correct time, slowly advance
the minute hand to the exact minute（s） you wish to set.
※ The date changes once every 24 hours. When setting
the time, make sure that AM/PM is correctly set.
８． Push the crown back in
simultaneously with a time
signal. The small second
hand starts moving, and
the watch indicates the
current time. Make sure
to relock the crown.
Refer to "How to use the screw lock
type crown" on page 55.
６． Turn the crown in the direction shown by the ar-
row until the date you wish to set appears in the
calendar window.
● Tips for more accurate time setting
Keep in mind the following points in order to set the time more accurately.
1. Before setting the time, wind the mainspring sufficiently.
（Ensure that the power reserve indicator is showing a full-wound state.）
2. When starting to use a watch after it stops, wind the mainspring sufficiently.
To set the time after that, wait for approximately 30 seconds after the small
second hand starts to move, then pull the crown out to the second click.
3. The small second hand will stop moving while the crown is at the second
click. Do not stop the small second hand movement for longer than 30 min-
utes. If the stoppage of the small second hand movement exceeds 30 minutes,
push the crown back in, and wait for at least 30 seconds after the small sec-
ond hand restarts moving, and then continue the time setting.
4. To set the time during any time between 9:00 P.M. and 1:00 A.M., temporarily
set the hour hand back to 8:00 P.M., and then set the time. （This procedure is
required to ensure the proper engagement of the calendar driving wheel.）
