Time Difference Adjustment Function; How To Use The Time Difference Adjustment Function - Seiko Cal. 9R84 Operating Instructions Manual

Automatic winding model
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⑤ Upon completion of setting, make sure that the time indicated is
correct, and then push the crown back in. The calendar setting is now
completed. Relock the crown.
⇒ "How to use the screw-lock type crown" page 16.
※ The calendar is designed to work in conjunction with the movement of the hour
hand, therefore, if AM/PM is incorrectly set, the calendar will be off by 12
hours.
※ The crown can be turned in either direction to adjust the date, however, it is
recommended to turn the crown in the direction which enables you to set the
date with a smaller adjustment.
※ Turn the crown slowly, checking that the hour hand moves in one-hour
increments.
※ When adjusting the hour hand, the other hands may move slightly. However, this
is not a malfunction.
Tips for more accurate time setting
To ensure effective operation of the Spring Drive mechanism, observe the
following instructions when you set the time.
① Before setting the time, make sure to wind the mainspring sufficiently.
  (Ensure that the power reserve indicator is showing a full-wound state.)
② When starting to use a watch after it stops, wind the mainspring
sufficiently. To set the time after that, wait for approximately 30
seconds after the second hand (or the small second hand) starts
moving, then pull the crown out to the second click.
③ The second hand (or the small second hand) will stop moving when
the crown is pulled out to the second click. Do not stop the movement
of the second hand (or the small second hand) for longer than 30
minutes. If the stoppage of the second-hand (or the small-second-hand)
movement exceeds 30 minutes, push the crown back in, and wait for
approximately 30 seconds after the second hand (or the small second
hand) restarts moving, and then set the time.
④ If you set the time when the time the watch indicates is between 9:00
p.m. and 1:00 a.m., set the hour hand back to 8:00 p.m. temporarily,
and then set the time. (This procedure is required to ensure the proper
engagement of the calendar driving wheels.)
HOW TO USE (For Cal. 9R86, 9R66)
28
How to use the 24-hour hand
This watch has two different types of 24-hour hand usage.
<Type 1> 24-hour hand as an
<Type 2> 24-hour hand as a dual time
AM/PM indicator
Simply using the 24-hour hand
Using the time difference adjustment
to show the 24-hour time as an
function, set the 24-hour hand to
AM/PM indicator. (This is the
indicate a time different from the time
standard usage type for the 24-
that the hour and minute hand indicate,
hour hand.)
which is of a place in a different time
zone area with at least one hour of
time difference from where you are.
Both the hour hand and the 24-
hour hand are indicating the
Japan time 10:00 a.m.
Hour hand: Japan time 10:00 a.m.
24-hour hand: New York time 8:00 p.m.

Time difference adjustment function

For example, while traveling abroad and staying in a place with a different
time from where you live, you can conveniently set the watch to indicate
the local time in the different time zone area without stopping the watch.
The hour hand indicates the time of the place where you currently are,
while the 24-hour hand indicates the time of the place of origin.
The calendar works in conjunction with the movement of the hour hand. If
the time difference is correctly adjusted, the watch displays the correct
date of the place where you are staying.

How to use the time difference adjustment function

① Make sure that the mainspring is sufficiently wound and the watch is
working.
※ When setting the hour hand to use the time difference
adjustment function, ensure that the watch is working.
② Unlock the crown.
⇒ "How to use the screw-lock type crown" page 16.
③ Pull out the crown to the first click.
HOW TO USE (For Cal. 9R86, 9R66)
indicator
Pull out the
crown to the
first click.
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