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HOW TO USE (FOR CAL. 9S64, 9S63)
How to wind the mainspring
This watch is a manual winding type.
In order to wind it up completely, please refer to the following table;
In case the watch is supposed to be
wound up every day.
About 20 turns of the crown will wind up the
watch fully.
In case the watch was not wound up more
than three days.
About 60 turns of the crown will wind up the
watch fully.
For Cal. 9S63 models, look at the power reserve indicator to check the winding state
(remaining power).
“Power reserve indicator”→ P. 19
From the state of the mainspring being sufficiently wound, it continuously operates for
approximately 72 hours or more.
If the mainspring is not wound up sufficiently, the watch may lose or gain time. To attain a
high accuracy, we suggest that the mainspring is wound up fully once a day at a fixed time.
* When the watch is used from a state in which the mainspring is unwound to a stop, it does
not move immediately even if the mainspring is wound with the winding crown. This is
because of the mechanical watch’s feature that the mainspring torque (force) is weak at
the beginning of mainspring winding. The seconds hand starts moving when the
mainspring is wound to reach a certain degree of torque strength, while the watch can be
made to move advance by shaking it to rotate the balance wheel forcibly.
Do not pull out the crown.
(If the watch is equipped with
the screw down crown,
unscrew the crown.)
Slowly turn the crown clockwise
(12 o’clock direction) to wind
the mainspring.
bCAUTION For models with a screw down crown, remember to screw the crown
in.
Generally speaking, the crown of the manual winding mechanical watch cannot be turned
further when it is wound up fully. However, the crown of the Cal. 9S64 and 9S63 can be turned
endlessly even after the watch is fully wound up. If you keep turning the crown, that gives no
effect to winding, but the watch is so designed as to make the winding a little tighter and not
to damage the watch. However, please refrain from excessive operation.
30 HOW TO USE
HOW TO USE (FOR CAL. 9S64, 9S63)
How to set the time
First click position
* The orientation and design of the display may vary depending on the model.
1Pull out the crown when the seconds
hand is at the 12 o’clock position.
(The seconds hand stops.)
Turn the crown to set the hour and
minute hands to the desired time.
2Push the crown back in to the normal
position in accordance with a time
signal. The watch starts operating.
Tips for more accurate time setting (For Cal. 9S63)
To ensure effective operation of the 9S63 mechanism, observe the following instructions
when you set the time.
1Pull out the crown to the first click when the seconds hand is at the 12 o’clock position.
(The seconds hand stops.)
2Turn the crown counterclockwise (6
o’clock direction) and stop when the
minute hand is about one fourth of
the way between the minute you
want to set and the next minute.
3Turn the crown clockwise (12 o’clock
direction) to return the minute hand
to the desired time.
4Gently push the crown back in to the
normal position.
31
HOW TO USE
HOW TO USE (FOR CAL. 9S64, 9S63)
English
17


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