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Power reserve indicator
The power reserve indicator lets you know the winding state of the mainspring.
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.)
Power reserve indicator
* The continuous operating time of the watch may vary depending on the conditions of your usage (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 each day, observe the power reserve indicator to
check the level of the remaining power. If necessary, manually wind the mainspring.
EN 13
1
HOW TO USE
How to read the power reserve indicator
As shown in the diagram below, when the indicator is pointing near 45 or F on the scale, it is fully wound.
As the mainspring unwinds, the indicator will move toward 0 or E.
* The accuracy of a mechanical watch is affected by the winding amount of the mainspring. If the watch is used
for a long time when the winding amount is 20 hours or less, stable accuracy may not be obtained. Therefore,
it is recommended that the winding amount be between 20 hours and full winding when you use the watch.
* Once the mainspring is fully wound, it will slip if you wind it further, so there is no chance of the mainspring
breaking even if it is over wound.
* The indicator may move beyond 0 or E, but this is not a malfunction.
The Power
Reserve Indicator
The winding state
of the mainspring Fully wound Half wound Unwound
The number of
hours the watch
can run
Approximately 45 hours Approximately 20 hours The watch either stops or is
running down.
* Designs vary depending on the model. Refer to the above diagram to read the approximate continuous operating
time.
EN 14
1
HOW TO USE
How to set the time and date
How to set the time and date
To set both time and date, set the 24-hour hand and minute hand first, and then set the date and
the hour hand.
* To adjust the date only on a day such as the next day after the completion of a month that has less than 31 days
(February, April, June, September and November), please refer to “Date adjustment at the end of the month”
→ P.19.
First, set the 24-hour hand and the minute hand.
1Make sure that the watch is working.
* To carry out the procedure, please make sure that the watch is in working state. Please wind the mainspring
when the watch is not working.
Pull out the crown
to the second click
when the seconds
hand is pointing at
the 0 second
position.
2Pull out the crown to the second click
when the seconds hand is pointing at
the 0 second position. The seconds
hand stops moving.
* For models with screw down crown, please unlock the
crown before operating it.
EN 15
1
HOW TO USE
Set it in such a way that
the 24-hour hand and
the minute hand
advance clockwise
3For advancing the hands clockwise,
turn the crown in the direction of the
arrow and set the time of the 24-hour
hand and the minute hand.
In order to set the time accurately, turn the minute
hand 4 to 5 minutes ahead and then return it to the
correct time.
* As the hour hand moves together, it may point to a
different time from the one you wish to set, or the date
may change. Please set the minute hand and the 24-
hour hand first.
4Push the crown back in to the normal
position.
Thereby, the 24-hour hand, the minute hand and
the seconds hand will be in alignment.
* Time signal service is useful for second setting.
EN 16
1
HOW TO USE
5


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