57
ASTRON 8X53 GPS SOLAR
FUNCTION LIST/SPECIFICATIONS
CONTENTS
8
SPECIFICATIONS
Function for reception
Other functions
In-flight mode ( ) …………………………
P. 2 2
Function to prevent the GPS signal reception
function from working. Set this mode when
boarding an airplane, etc.
Satellite acquisition status display function
…
P. 1 8
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. 3 0
Displays the latest reception result (success/
failure).
Time zone setting check function ………
P. 2 1
Displays the currently set time zone
1. Basic function ……………………… Main-dial; three hands (hour/minute/second hands),
date, day display, indicator hand, Dual time display
function, AM/PM display, world time function (40 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 ).
4. Operational temperature range … Between −10°C and +60°C
5. Driving system …………………… Step motor (hour/minute/second hands of main-
dial), day display, date, 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. 2 4
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 AM/PM hand.
Automatic hand position alignment function
…
P. 4 4
Automatically corrects misalignment when the
hands are misaligned due to external factors such
as magnetic influence.
Automatic leap second reception function
…
P. 2 9
Automatically receives leap second data when
leap second data reception is necessary.
Copyright ©2015 by SEIKO WATCH CORPORATION
Declaration of Conformity
The specifications are subject to change without prior notice for product improvement.
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