Screw Lock Type Crown - Seiko Cal. 6T63 Instructions Manual

CAL. 6T63
n TIME/CALENDAR
24-hour, hour, minute, and small
second hands
Hour hand
STOPWATCH minute
hand
Small second hand
* Some models may have a screw lock type crown. If your watch has a screw lock type crown,
refer to "SCREW LOCK TYPE CROWN".
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n STOPWATCH
Measures up to 60 minutes in
1/5 second increments.
STOPWATCH 1/5-second hand
Minute hand
A
24-hour hand
CROWN
a b c
a: Normal position
b: First click
B
c: Second click

SCREW LOCK TYPE CROWN

u Some models may have a screw-lock mechanism that can securely lock
the crown by screw when they are not being operated.
u Locking the crown will help to prevent any operational errors and enhance
the water resistant quality of the watch.
u 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.
l How to use the screw lock type crown
Keep the crown securely locked unless you need to operate it.
[How to unlock the screw lock type crown]
Turn the crown counterclockwise.
The crown is unlocked and can be operated.
[How to lock the screw lock type crown]
Once you have finished operating the crown, turn it
clockwise while gently pressing it in toward the watch
body until it stops.
* 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 in the
case.
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