- Perpetual
Calendar
Each Seiko Perpetual Calendar is a masterpiece of
advanced
timekeeping. The calendar is preset at the factory
and will automatically adjust for the length of every
month, including February in leap years, up to February
28, 2100. To reduce the need to ever reset these watches,
they are highly accurate, with a yearly gain or loss
of less than 20 seconds. In those models that feature
Dual Time and World Time Display, you can set the
watch for a second time zone when you travel without
disturbing the setting for your home time zone.
Checking the Calendar
Because the watch may have crossed international date
lines since it was originally set, you should check
that the calendar is correct before setting the watch.
To do this, pull the crown out to the first click
position, and push it back in quickly (in less than
a second.) If the watch has a screw lock crown, you
will need to unscrew the crown by turning it counterclockwise
before you can pull it out.
- First, the number for the current month will be
displayed in the
calendar window for five seconds, (January is "1",
February is
"2" etc.)
- Then the calendar window will return to displaying
the number
for the date.
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- Pro
Tips
- Be sure you pull the crown out only one click.
If the crown is pulled out to the second click position
before it is pushed back in, the calendar will not
be displayed.
- Be sure to push the crown back into its normal position
against the watch case. Leaving the crown out in the
first click position will shorten battery life.
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- Leap
Year Indication
Seiko Perpetual Calendar watches also include a function
in which the second hand indicates the number of years
since the last leap year. With the second hand at
the 12 o'clock position, pull the crown out to the
first click position then push it back to the normal
position quickly (within a second). The second hand
will move to the 5 second position indicating one
year has passed since leap year - the 10 second position
indicates two years etc.
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