Seiko ASTRON Handy Manual

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8
Manual time zone selection of the sub-dial
Adjust the sub-dial by selecting the time of the time zone.
 The sub-dial cannot be adjusted to a time outside the time zone.
Manual time zone selection of the sub-dial
How to select the manual time zone of the sub-dial
Pull out the crown to the first
click
1
The second hand moves
to display the currently set
time zone.
0 1 2
Pull out
to the
1st click
Push the crown back in
4
The second hand returns
to the time display mode.
The indicator hand returns
to the display of charging
status.
 During movement of the
date, the buttons and crown
cannot be operated.
0 1 2
Push
back in
Press Button B
2
The second hand moves
to display the currently set
time zone of the sub-dial.
The day hand points to ∆.
0 1 2
Press
Turn the crown and set the second
hand to the time zone of the
destination
3
When the crown is turned,
the second hand moves to
the next zone.
Turn the crown
clockwise to
advance 1 time
zone.
Turn the
crown counter
clockwise to
set back 1 time
zone.
< Display of the indicator
hand >
Displays ON/OFF setting of
DST (Daylight Saving Time).
DST OFF ON
Display
Hand
position
• DST

Seiko ASTRON Specifications

Frequency

frequency of crystal oscillator	32, 768 Hz
loss/gain (monthly rate)	±15 seconds

Operating Environment

operational temperature range	−10°C to +60°C
normal temperature range	5°C to 35°C

Power

power source	Secondary battery, 1 piece
duration of operation (fully charged)	Approximately 6 months
duration of operation (power save activated)	Approximately 2 years