Seiko Astron SSH109J Instruction Manual page 27

4
BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS SIGNALS, ETC.)
Check the time zone and DST (Daylight Saving Time) settings
1
Pull out the crown to the first click
The second hand moves to display the currently set time zone.
The indicator hand indicates DST (Daylight Saving Time) setting.
< >
Display of the indicator hand
Displays the status for DST
(Daylight Saving Time).
Hand AUTO ST DST
position (automatic) (OFF) (ON)
Display
 "AUTO (automatic)" is set when your
watch successfully adjusts the time zone
in a region that has adopted DST (Daylight
Saving Time).
The basic time automatically changes
due to your watch adapting to the
implementation of DST (Daylight Saving
Time) for the time zone (region) set for the
main-dial.
 Also the current time zone of the main-dial and the DST (Daylight Saving Time) can be checked by just pressing and releasing Button B.
2
The second hand moves to display the currently set time
zone of the sub-dial. The indicator hand displays the
status of DST (Daylight Saving Time) for the sub-dial.
0 1 2
Pull out
to the first
click
<
Display of the indicator hand
 To change the time zone setting
• When you are in a place
Displays ON/OFF setting of DST
where GPS signals can be
(Daylight Saving Time).
easily received
 How to adjust the time
Hand
zone P . 20
position
• When you are in a place
where GPS signals cannot be
Display
received
 How to manually set the
time zone P . 23
 For the relationship between
 "AUTO (automatic)" is set when the main-
the second hand position and
dial and sub-dial are switched after your
watch successfully adjusts the time zone
time zone, refer to the "Time
in a region that has adopted DST (Daylight
zone display and list of time
Saving Time).
zones around the world P .12. "
The sub-dial automatically changes due to
your watch adapting to the implementation
of DST (Daylight Saving Time) for the time
zone (region) set for the sub-dial.
Pull out the crown to the second click
0 1 2
>
 Changing the time zone
settings for the sub-dial

AUTO ST DST
(automatic) (OFF) (ON)
 For the relationship between
the second hand position
and time zone, refer to the
"Time zone display and list
of time zones around the
world
25
ASTRON 5X53 GPS SOLAR
3
Push the crown back in
The second hand returns to the time
display mode.
The indicator hand returns to the
display of charging status.
Pull out
the crown to
the second
click
How to manually set the
time zone of the sub-dial
P . 26
P .12. "
0 1 2
Push
back in