Models: 6870, 6890, 6899
How to set the time
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Make sure that the watch is operating.
To carry out the procedure, please make sure that the watch is in working state. -
Pull out the crown.
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Turn the crown to set the hour and minute hands to the time.
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Push the crown back in to its normal position.
Please wind the mainspring when the watch is not working.
How to wind the mainspring
(If the watch is equipped with the screw down crown, unscrew the crown before pulling it out.)
If the watch is a 68 series model, it continues to move when the crown is pulled out.


(If the crown of your watch is a screw lock type, lock the crown.)

CAUTION
Due to its gear train mechanism, for setting the time of the mechanical watch correctly, the hands should be set back once slightly and then set forward to the correct time.