Seiko ASTRON User Manual page 33

6
IN CASE OF AN UNUSUAL MOVEMENT OF THE SECOND HAND
The second hand stops at the 15-second position/45-
second position (Power save function)
When the watch is not exposed to light for a long time, the power save function will work.
Power Save 1
The second hand stops pointing
at the 15-second position.
State
Restriction
• The hour hand, minute hand,
on date, and sub-dial stop.
• Automatic time adjustment is
function/
not performed.
display
When the watch is exposed to
a state without receiving an
Cause
adequate light source for 72
hours or longer.
When the watch is exposed
to an adequate light source
for more than 5 seconds, or
Solution when any button is pressed, it
displays the current time again
after the second hand is rapidly
advanced.
Power Save 2
 While the watch is being charged, the second hand moves at " 5-second Intervals. "
During the "5-second Interval Movement, " neither the buttons nor the crown can be operated.
 If the " Power Save 2" mode is prolonged, the stored power amount drops and the internal
current time information stored will be lost.
Power Save 2
The second hand stops pointing at
the 45-second position.
• The hour hand, minute hand, date,
and sub-dial stop.
(Date displays "1. " )
• Reception is not started even with
operation of GPS signal reception.
• Automatic time adjustment is not
performed.
• The indicator hand points to "E. "
When the watch is in an insufficient
charging state for a long time.
(1) Charge the watch sufficiently until
the charging status is displayed
as the "level position (middle)" or
"F (full). "  P . 10 ~ 11
(2) Carry out time zone adjustment
to set the time. 
P . 14 ~ 16
32
ASTRON 7X52 GPS SOLAR
The second hand stops at the 0-second or
5-second position (automatic time adjustment)
Automatic time adjustment is being performed.
 Automatic time adjustment P. 23
The indicator hand points to "1."
It takes up to 1 minute to complete reception.
Use the watch with reference to the "Place
where GPS signals can be easily received
The second hand is stopped between the 0-second to
18-second positions (Ready for leap second data reception)
Displays the watch ready for leap second data reception.
At this time, the second hand is stopped between the
0-second to 18-second positions to indicate the waiting
time until the leap second data reception by minutes.
The waiting time is subtracted for each minute,
and when the second hand points to the 0-second
position, the leap second data reception is started.
It is recommended that you move to a place where
GPS signals can be easily received.
 Place where GPS signals can be easily received/Place where GPS signals cannot be received
 The position of the second hand is an indication of the time when the leap second data is started.
(When the second hand points to the 6-second position, it means that the reception will be started
approximately 6 minutes later.)
 At this time, the second hand does not move at 1-second intervals, however, it does not mean a failure.
 Automatic leap second reception function
The display of being ready for leap second data reception continues up to 18
minutes, and then the watch starts receiving the leap second data.
During the reception, the second hand moves in the same manner as the manual
time adjustment.
 How to manually adjust the time
When the leap second data reception is completed, the second hand moves at
one-second intervals.
Use the watch as it is.
 The leap second data reception is performed every half a year regardless of leap second addition.
P . 13. "
P . 30
P . 21 ~ 22
P. 13