Citizen Eco-Drive 8637 - About the crown

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English
Aboutthecrown
Some models use screw down system for the crown. Accidental operations can be
prevented when the watch is not being operated by locking the crown. To operate
the watch, release the lock.
Beforeoperation Afteroperation
Unlockthecrown
Rotate the crown to the left
(counterclockwise).
Lockthecrown
Press the crown and rotate it to
the right (clockwise) to tighten the
screw lock.
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When the screw lock is released, the
crown extends to the normal position.