54
55
■NAMES OF THE PARTS AND THEIR FUNCTION
※ The orientation and design of the display may vary depending on the model.
※ Some models may have screw lock type crown and button(s).
Refer to "SCREW LOCK TYPE CROWN AND BUTTON" on page 56.
●The mechanism of the crown
●Basic mechanism
Hour hand
Center chronograph
second hand
Calendar
Crown
Small second hand
Power reserve
indicator
Chronograph
hour hand
Chronograph
minute hand
START/STOP
button
RESET
button
Minute hand
24-hour hand
Screw lock type crown
Before operating the screw lock type crown, it is necessary to unlock it.
In order to prevent any operational errors, once you have finished operating the crown, make
sure to relock it.
Refer to "SCREW LOCK TYPE CROWN" on the following page 56.
L
0
1
2
L: Screw lock type crown is at the locked position.
0: Screw lock type crown is at the unlocked position: the
mainspring can be manually wound.
1: Screw lock type crown is positioned for calendar set-
ting. (time difference adjustment.)
2: Screw lock type crown is positioned for time setting.
56
57
■SCREW LOCK TYPE CROWN AND BUTTON
●How to use the screw lock type crown
The watch features a screw-lock mechanism that can securely lock the crown and but-
tons to prevent any operational errors when they are not being operated.
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.
Screw lock type crown is locked.
Screw lock type crown is unlocked.
※ Once the crown is unlocked, you can pull it out.
●Screw lock type crown
Turn the crown while pressing it in.
It is necessary to unlock the screw lock type crown before operating it.
Once you have finished operating the crown, make sure to relock it.
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
Summary of Contents for Spring Drive Chronograph 9R86
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