57
ASTRON 8X42 GPS SOLAR
FUNCTION LIST/SPECIFICATIONS
8
SPECIFICATIONS
Function for reception
Other functions
In-flight mode ( ) …………………………
P. 22
Function to prevent the GPS signal reception
function from working. Set this mode when
boarding an airplane, etc.
Satellite acquisition status display function …
P. 18
Displays by the second hand the number of GPS
satellite from which GPS signals are received
during GPS signal reception.
Reception result display function ………
P. 30
Displays the latest reception result (success/
failure).
Time zone setting check function ………
P. 21
Displays the currently set time zone
1. Basic function ……………………… Main-dial; three hands (hour/minute/second hands),
date, indicator hand, Dual time display function, 24
hour display, world time function (39 Time zones)
2. Frequency of crystal oscillator … 32,768 Hz (Hz = Hertz ... Cycles per second)
3. Loss/gain (monthly rate) ………… Loss / gain ±15 seconds on a monthly rate (When the
watch is used without an automatic time setting by
receiving GPS signal and when it is worn on the wrist
within a normal temperature range between 5°C and
35°C (41ºF and 95ºF)).
4. Operational temperature range … Between −10°C and +60°C (14ºF and 140ºF)
5. Driving system …………………… Step motor (hour/minute/second hands of main-dial),
big date calendar display, indicator hand, sub dial (hour,
minute).
6. Power source ……………………… Secondary battery, 1 piece
7. Duration of operation …………… Approximately 6 months (Fully charged, and the Power
Save is not activated).
If the Power Save is activated after it is fully charged,
the watch continues to run for approximately 2 years
at maximum.
8. GPS signal reception function … Time zone adjustment, manual time adjustment,
automatic time adjustment
9. IC (Integrated Circuit) …………… Oscillator, frequency divider and driving circuit C-MOS-
IC, 4 pieces
Dual time display function ………………
P. 24
The time of an area different from the time of the
main-dial is displayed with the sub-dial at the 6
o’clock position (12-hour) and the 24 hour hand.
Automatic hand position alignment function …
P. 44
Automatically corrects misalignment when the
hands are misaligned due to external factors such
as magnetic influence.
Automatic leap second reception function …
P. 29
Automatically receives leap second data when
leap second data reception is necessary.
Copyright ©2017 by SEIKO WATCH CORPORATION
The specifications are subject to change without prior notice for product improvement.