
2
Setting the time
Make sure that the
watch is not wet
before operating
the crown.
1 Pull the crown out to position as the
second hand points to 0 seconds.
The watch stops and the power reserve indication hand
moves to the reference position.
2 Rotate the crown to set the time.
• Pay attention to whether the time set is AM
or PM.
• Date indication starts to change as the
setting passes 10PM. Rotating the crown
counter-clockwise does not turn back the date
indication.
3 Push the crown in to position in
accordance with a reliable time source to
finish the procedure.
01
2
Adjusting the calendar
Make sure that the
watch is not wet
before operating
the crown.
You must correct the date on the first day of March,
May, July, October and December.
• Do not set the date during the period below, when
the date indication is changing on this watch. If
you do, the date indication may change incorrectly.
Period of time: From 10PM to 0AM (12:00AM)
1 Pull the crown out to position .
2 Rotate the crown clockwise to set the date.
3 Push the crown in to position to finish the
procedure.
01
2
Using the rotating bezel
You can see the elapsed time from a certain moment, or remaining time to
a decided moment, easily by using the rotating bezel.
• Be sure to use a specialized instrument when diving. Use the watch only
as a reference.
• The rotating bezel moves counter-clockwise only.
Bezel lock mechanism
The watch has a bezel lock mechanism that locks the rotating bezel in
place.
To move the rotating bezel, move the lock to FREE until it clicks.
When you have finished rotating the bezel, move the lock to the LOCK
position until the orange warning color is no longer visible.
LOCK
Warning color
FREE
• Depending on the model, the warning color may differ or there may be
no warning color.
Finding the elapsed time
Set the bezel lock to FREE, and rotate the rotating bezel until the
mark is in line with the minute hand. Then move the bezel lock to LOCK.
Use the markings on the rotating bezel between the mark and the
minute hand to find the elapsed time (within 60 minutes).
Turning direction
Elapsed time
Finding the remaining time
Set the bezel lock to FREE, and rotate the rotating bezel until the
mark is set to your desired time (within 60 minutes).
Use the markings on the rotating bezel between the mark and the
minute hand to find the remaining time.
Turning direction
Remaining time
Adjusting the length using the extension band
• The extension band is not supplied for some models.
• When wearing the watch over a wetsuit and so forth, and the length of
the standard band is not long enough, attach the extension band provided
to adjust the length of the band.
Extension band
Buckle
Semi-fixed loop
Loop
Note
• Securely attach the extension band by passing the end of the extension
band through the buckle and sliding it through the loops.
CITIZEN WATCH CO., LTD.
J210 Abbreviated instruction