Quicksilver MOLOKAI Instruction Manual page 3

-pull out the crown to the middle position (click)
-turn the crown anti-clockwise to the correct date
*if your product has a day/date movement, to adjust the day, turn the crown clockwise
-press the crown in to the initial position
*The date changes automatically every 24 hours.
*To make sure that the date changes at midnight, adjust the time before midday.
*On some products the day can be changed to another language.
*Never operate the crown when the watch is under water.
*Some products may be fitted with a screw crown. This crown must be unscrewed anti-clockwise before you can pull it out.
(The crown must be screwed-in in the opposite direction of the hands of the watch after adjusting your watch and before contact with water.)