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●How to use the screw lock type crown
How to unlock the screw lock type crown
How to lock the screw lock type crown
Turn the crown counterclockwise
(downward) to unscrew it.
Now the crown can be operated.
To loosen
Turn the crown clockwise (upward)
while gently pressing it in toward
the watch body until it stops.
Turn the crown while pressing it in.
When locking the crown, turn it slowly with care, ensuring that the
screw is properly engaged. Be careful not to forcibly push it in, as doing so
may damage the screw hole.
CAUTION
■HOW TO WIND THE MAINSPRING
This watch is a self-winding watch equipped with a manual winding mechanism. When
the watch is worn on the wrist, the motion of the wearer's arm winds the mainspring
of the watch.
When first using a stopped watch, it is recommended that you manually wind the
mainspring by turning the crown.
※ The watch employs a device to prevent overwinding of the mainspring. Once the mainspring is fully
wound, the mainspring slips inside, disengaging the winding mechanism. When this happens, you can
still turn the crown without damaging the watch, however, please refrain from excessive operation of the
mainspring.
※ Under a low-temperature condition (below 0℃), always keep at least one-sixth of the watch power shown
by the power reserve indicator.
●Guide for winding state of the mainspring
Self-winding:：
The mainspring of the watch is designed to be fully wound when it is worn for twelve hours per day
for three to five consecutive days.
Manual winding:
Five full rotations of the crown will provide the power to run the watch for approximately ten
hours.
Observe the power reserve indicator to check the level of the remaining power.
Refer to "POWER RESERVE INDICATOR" on page 55.
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●How to manually wind the mainspring by turning the crown
In order to set the time and calendar after winding
the mainspring manually, do not relock the crown but
continue the procedures.
※ Refer to "HOW TO SET THE TIME AND CALENDAR" on page 57.
1. Unlock the crown.
2. Slowly turn the crown clockwise (upward) to wind the mainspring with
extra care not to press it in. Wind the mainspring until the power re-
serve indicator shows a full-wound state. The second hand starts moving.
3. Once you finish winding the mainspring,
make sure you relock the crown.
※ Refer to "How to use the screw lock type crown" on page 52.
※ Refer to "How to read the power reserve indicator" on page 56.
■POWER RESERVE INDICATOR
Before removing the watch from your wrist,
observe the power reserve indicator to
check if the watch has stored enough power
to keep running until the next time you wear
it. If necessary, wind the mainspring. (To
prevent the watch from stopping, wind the
mainspring to store the excess power that
will allow the watch to run for extra time.)
※ The continuous operable time of the watch may vary depending on actual use conditions, such as
the number of hours you wear the watch or the extent of your movement while wearing it.
※ In a case where you wear the watch for a short period of time, observe the power reserve indica-
tor to check the level of the remaining power. If necessary, manually wind the mainspring.
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GMT
Power reserve indicator
The power reserve indicator lets you know the winding state of the main-
spring.
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Power
Reserve
Indicator
Winding
state
of the
mainspring
Fully wound
Half wound
Unwound
Number
of hours
the watch
can run
Approximately 72
hours (3 days)
Approximately 36
hours (1.5 days)
The watch either
stops or is running
down.
※ The watch employs a device to prevent overwinding of the mainspring. Once the mainspring is fully
wound, the mainspring slips inside, disengaging the winding mechanism. When this happens, you can
still turn the crown without damaging the watch, however, please refrain from excessive operation of the
mainspring.
※ The orientation and design of the display may vary depending on the model.
●How to read the power reserve indicator
■HOW TO SET THE TIME AND CALENDAR
To set the time and calendar, set the 24-hour hand and minute hand first,
and then set the hour hand and calendar.
●How to set the time
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 second click
when the second hand is pointing at
the " 0 " second position. The small
second hand will stop on the spot.
2. Unlock the crown.
Refer to "How to use the screw lock type
crown" on page 52.
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GMT
Second hand is pointing at
the " 0 " second position.
Pull out the
crown to the
second click.
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4. Turn the crown to rotate the 24-hour
hand and minute hand clockwise and set
them to the current time. While doing
so, set the minute hand a few minutes
behind the correct time, and then slowly
advance it to the desired time.
※ Only the 24-hour and minute hands are to be set first.
Even if the hour hand is indicating incorrect time, or the
date may be altered depending on the position of the hour
hand, it is not necessary to make an adjustment at this
stage.
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Pull the crown
out to the first
click.
5. Push the crown back in simultaneously
with the time signal
.
※ The setting of the 24-hour,
minute and second hands to
the current time is now
completed.
Push the crown back in simul-
taneously with the time signal.
6. To move on to the hour hand and cal-
endar setting, pull the crown out to
the first click.
Set the
24-hour
hand and
minute hand
by rotating
them clock-
wise.
8. Push the crown back in to complete the time setting.
Relock the crown.
Refer to "How to use the screw lock type crown" on page 52.
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7. Turn the crown to set the hour hand.
While turning the crown, the moment the
date changes is midnight. When setting
the hour hand, be sure that AM/PM is set
correctly.
Adjust the calendar also at this point
if necessary.
※
The crown can be turned in either direction
to adjust the date, however, it is recommend-
ed to turn the crown in the direction which
enables you to set the date with a smaller
adjustment.
※
Turn the crown slowly, checking that the
hour hand moves in one-hour increments.
※
When adjusting the hour hand, the other
hands may move slightly. However, this is not
a malfunction.
