Troubleshooting - Seiko 7B72 How To Use Manual

5
When this operation is complete, press
the crown to return.
This ends the preliminary position alignment mode,
and the seconds hand, and hours and minute
hands start to move.
When the watch returns to the time display mode,
check if the time and date are correct.
If the time and date are not correct, manually set
them.
Adjusting the time and date by receiving a radio signal
"How to conduct manual reception (Receive a radio signal manually)" → P.56
When the watch is unable to receive a radio signal, refer to
"How to manually set the time" → P.59
7
"How to manually set the date" → P.61
* When the crown is a screw lock type, lock it. → P.13
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At trouble
The power save function has been
activated. (P.37)
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.37)
Movement
The watch hands advance
The automatic hand position alignment
rapidly unless a button is
function was activated. (P.64)
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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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.)
At trouble
The seconds hand moves
Push the
at two-second intervals.
crown
back in
The seconds hand moves
at five-second intervals.
Hand
Movement
The stopped seconds
hand pointing to the
15-second position
started operating.
Reference At trouble
P.17,
P.34
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).

Troubleshooting

Possible causes Solutions
The energy depletion forewarning
Fully charge the watch so that the
function is activated. (P.36)
seconds hand may move at one-second
If the seconds hand moves at two- or
intervals.
five-second intervals while you wear
Be careful not to conceal the watch
the watch everyday, the watch is in a
under a sleeve, etc., while wearing it.
condition where it cannot acquire
When taking off the watch, place it in as
sufficient light, for instance, the watch
bright a location as possible.
is concealed under a long sleeve shirt.
The power save function has been
activated. (P.37)
When the watch is not exposed to Wait until the current time is displayed.
adequate light for a certain period of No operation is needed. (This is not a
time, the power save function to limit malfunction.)
energy consumption is automatically
activated.
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.24)
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 set time difference and
set the correct time difference.
The time difference is set to regions
other than the radio signal reception
2. When the watch is not displaying the
ranges.
precise time, receive a radio signal
again if necessary.
Reference
P.34
-
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Reference
P.23,
P.57
P.23
P.25
P.17,
P.29
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