Seiko C-21 Instructions Manual page 24

At trouble
The power save function has been
activated. (P.43)
The stopped seconds
When the watch is not exposed to
hand pointing to the
adequate light for a certain period of
45-second position
time, the power save function to limit
started operating.
energy consumption is automatically
activated.
The power save function has been
Hand
activated. (P.43)
Movement
The watch hands advance
The automatic hand position alignment
rapidly unless a button is
function was activated. (P.81)
pressed. After the rapid
When the hand positions deviate to
advancement is
display incorrect time as a result of
completed, the watch
external influences, etc., the watch
resumes its normal
automatically corrects the hand
movement.
misalignment by the automatic hand
position alignment function.
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At trouble
The stopped watch was
The amount of exposed light is too
exposed to an
weak.
adequate light for
The time for charging the watch is not
Charging longer than "the time
sufficient.
the solar required to fully charge
battery the watch", however, it
does not resume its The built-in IC of the watch has fallen
normal one-second
into an unstable condition.
interval movements.
Misalignment
The watch has been left in an extremely
of the time The watch temporarily
high or low temperature place for a long
and hand gains or loses time.
time.
positions
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Possible causes Solutions
1. Fully charge the watch so that
the seconds hand may move at
one-second intervals.
2. After that, if the watch displays
the incorrect time, receive a
radio wave as needed.
No operation is needed. (This is not a
malfunction.)
Possible causes Solutions
The time required for charging the
watch depends entirely on the amount
of exposed light the watch receives.
Refer to "Guide to charging times" to
charge the watch.
Refer to "In case of an abnormal
movement" to reset the system.
1. When the watch returns to a normal
temperature, it will display the
precise time as before.
2. If the watch still gains or loses the
time, conduct manual reception if
necessary.
3. If the watch cannot resume normal
movement even after conducting
the above mentioned procedures,
consult the retailer from whom the
watch was purchased.
Reference At trouble
P.18,
P.40
The watch is unable to
receive a radio signal.
Reception
The reception results have
of a radio
failed and the seconds
signal
hand points to N (the watch
does not receive a radio
-
signal).
Reference At trouble
P.41
The reception results are
successful, but the precise
time is not displayed.
P.94
Misalignment
of the time
and hand
positions
P.70
The seconds hand position
is not correctly aligned in
"the reception results
display" or "the reception
level display."
Possible causes Solutions
Do not move the watch while it is
The watch was moved while it was
receiving a radio signal.
receiving a radio signal.
Because it takes time to receive a radio
(It takes 12 minutes at the longest to
signal successfully, leave the watch
receive a radio signal successfully.)
untouched for 12 minutes at the longest.
The watch was left where the radio
Place the watch where it is able to easily
signal was weak or where it was unable
receive a radio signal.
to receive a radio signal. (P.25)
Check the website of each transmitting
Transmitting stations may have station for further information
stopped transmitting radio signals for concerning a transmission stop.
some reason. (Transmission stop) Attempt to receive a radio signal again
after a while.
1. Check the selected time zone and
select the correct time zone.
The time zone is set to a region other
2. When the watch is not displaying the
than the radio signal reception range.
precise time, receive a radio signal
again if necessary.
Possible causes Solutions
1. Place the watch where it is able to
The watch fails to receive a radio signal
receive a radio signal more easily.
correctly as a result of external
2. Conduct manual reception if
influence. (Incorrect reception)
necessary.
The hand positions were misaligned as
1. The automatic hand position
a result of external influence.
alignment function will operate, and
The hands are out of the preliminary
these will be corrected. Continue to
position as a result of external
use the watch normally. The
influence.
automatic hand position alignment
"Preliminary position" → P.81
function operates every 12 hours (at
12 AM and 12 PM) for the hour and
minute hands, and every minute for
the seconds hand. If urgent, perform
manual time adjustment.
The seconds hand is out of the 2. If the watch still gains or loses time,
refer to "In case of an abnormal
preliminary position as a result of
movement" to perform procedures.
external influence.
"Preliminary position" → P.81
3. If the watch cannot resume normal
movement even after conducting
the above mentioned procedures,
consult the retailer from whom the
watch was purchased.
Reference
P.24,
P.71
P.24
P.26
P.18,
P.31
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Reference
P.24,
P.70
P.81,
P.94
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