User guide

34
ASTRON 7X52 GPS SOLAR
TO PRESERVE THE QUALITY OF YOUR WATCH
CONTENTS
7
Screw-lock type crown
The screw-lock type crown features a mechanism that can securely lock the crown when they are not
being operated in order to prevent any operational errors and to improve its water resistant property.
● 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.
[ To unlock the crown ]
Turn the crown counterclockwise
(downward) to unscrew it. Now the
crown can be operated.
Unscrew
While pressing
the crown in
Screw
Unlock the crown
before operating it.
After operating the
crown, lock it.
Crown locked Crown unlocked
[ To lock the crown ]
Turn the crown clockwise (upward)
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.