Crown; How To Wind The Mainspring - Seiko M-23 2R05 Instructions Manual

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■ 2R06
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3
* The position and design of the display may vary depending on the model.
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How to wind the mainspring

1
• This is an automatic mechanical watch with a manual winding mechanism.
• When the watch is worn on the wrist, the mainspring is wound automatically through normal wrist
movement. The watch can also be wound up by turning the crown.
• To start the watch after it stops completely, wind it up either by turning the crown or swinging it from side
to side until the seconds hand starts moving. Then, set the time and date before putting the watch on
the wrist. To wind up the watch, turn the crown clockwise slowly. The watch cannot be wound by turning
the crown counterclockwise. In this way, the watch can be wound up fully. Furthermore, turning the crown
further will not break the spring.
* For the watch with screw down crown, please unlock the crown before operating it and be sure to lock the crown
after operating it.
• Once the watch is wound up fully, it operates for about 40 hours.
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1 Minute hand
2 Hour hand
3 Seconds hand
4
4 Date and day of the week

5 Crown

• Normal position (not locked): Wind up the
watch (hand-wound)
• First click position: Date and day of the week
5
setting
• Second click position: Time setting
Crown
There are two types of crowns, a normal crown and a screw down crown.
Please check the type of the crown of your watch.
While
The
pressing the
crown
crown in, turn it
turns.
in the direction
indicated by
the arrow.
The crown
Unlock the crown before
does not
operating it.
turn.
Unscrew
* By locking the crown by screw, a screw down crown can prevent malfunction and increase water resistance.
* Be careful not to screw the crown in by force as it may damage the slots of the crown.
* If the watch is used without being wound up fully, gain or loss of time may result. To avoid this, wear the watch for
more than 8 hours a day. If the watch is used without being worn on the wrist, be sure to wind it up fully every day
at a fixed time.
* If you use a watch that has stopped with the mainspring unwound, winding the mainspring with the crown will not
start the watch immediately. That is because the mainspring torque or force is low at the beginning of its winding
due to the characteristics of mechanical watches. The seconds hand will start to move when a certain degree of
torque is reached after the mainspring has been wound up. However, swinging the watch from side to side to
forcibly turn the balance can start the watch sooner.
Normal crown
Pull out the crown and operate it.
Screw down crown
After operating the crown,
lock it.
Rotate while
pressing
the crown in.
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M-23 2r06

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