Seiko C-21 Instructions Manual page 23

2
Within 20 seconds after the date stops,
press the Button B to set the date to "1".
Make sure that the numerical number "1" is located at
the center of the date window.
* If "1" is shown, go to step 3.
Keep pressing down the button for
Continuous
longer than 2 seconds. Press the
adjustment
button once again to stop.
When the button is pressed
Fine
intermittently, the hand will slightly
adjustment
advance.
3
Keep pressing down the Button A (for 2
seconds) until the seconds hand moves to
point to the 55-second position.
The watch enters the preliminary position setting
mode for day of the week.
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6
Press the Button B once and release it.
The hour and minute hands move, and stop at the 12
o'clock position.
7
After completing the operation, leave the watch untouched for 20 seconds.
The watch automatically exits the preliminary position setting mode, and the seconds, hour and minute hands
start moving.
When the watch returns to the TIME display mode, check if the time, date and day of the week are all correct.
If the time, date and day of the week are not correct, manually set them.
7
Adjusting the time and date by receiving a radio signal
"How to conduct manual reception (Receive a radio signal manually)" → P.70
When the watch is unable to receive a radio signal, refer to
"How to manually set the time" → P.73
"How to manually set the date" → P.75
"How to manually set the day of the week" → P.78
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4
Press the Button B to set the day hand to
point to "S" (Sunday).
Make sure that the day hand is set to point to "S".
* If "S" is shown, go to step 5.
The day hand rotates clockwise.
Continuous
adjustment
Button B
Press
Fine
adjustment
5
Keep pressing down the Button A (for 2
Button A
seconds) until the seconds hand stops
Press for
pointing to the 0-second position.
2 seconds
The watch switches to the preliminary position
alignment mode for the hour and minute hands.
* If the correct time is shown, go to step 7.
Button B
Press once
and release it
Hand
Movement
Keep pressing down the button for
longer than 2 seconds. Press the
button once again to stop.
When the button is pressed
intermittently, the hand will slightly
advance.
Troubleshooting
At trouble Possible causes
The seconds hand moves The energy depletion forewarning
at two-second intervals. function is activated. (P.42)
If the seconds hand moves at two- or
five-second intervals while you wear
the watch everyday, the watch is in a
The seconds hand moves
at five-second intervals. condition where it cannot acquire
sufficient light, for instance, the watch
is concealed under a long sleeve shirt.
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
15-second position
time, the power save function to limit
started operating.
energy consumption is automatically
activated.
Button B
Press
Button A
Press for
2 seconds
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Solutions Reference
Fully charge the watch so that the
seconds hand may move at one-second
intervals.
Be careful not to conceal the watch P.40
under a sleeve, etc., while wearing it.
When taking off the watch, place it in as
bright a location as possible.
Wait until the current time is displayed.
No operation is needed. (This is not a -
malfunction.)
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