Citizen E610 Instruction Manual page 42

(2) Turn the crown to set the hour and minute hands to the local time.
  Turning the crown to the right (by 1 click) causes the hour and minute
hands and the 24 hour hand to advance by 1 hour.
 ‚ Turning the crown to the left (by 1 click) causes the hour and minute hands
and 24 hour hand to go back by 1 hour.
• Turning the crown continuously (rapidly by 2 clicks or more) causes the hour
and minute hands and the 24 hour hand to move continuously.
• Turn the crown to the left or right to interrupt continuous movement of the
hands.
• The date and day also change corresponding to the calendar and local time.
[Note] Set the local time correctly by checking AM and PM with the 24 hour
hand.
(3) Return the crown to the normal position. This completes the procedure for
correcting the local time.
• The calendar is updated to the date and day corresponding to the local time.
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