Specifications - Seiko Astron 5X53 Complete User Manual

8
FUNCTION LIST/SPECIFICATIONS
Function for reception
In-flight mode ( )..................
→ P. 30
Satellite acquisition status
display function......................
→ P. 20
Reception result display
function....................................
→ P. 18
Time zone setting check
function....................................
→ P. 25
Other functions
Dual time display function.....
→ P. 26
Automatic hand position
alignment function..................
→ P. 45
Automatic leap second
reception function..................
→ P. 31
Switch function for the main-
dial and sub-dial.....................
→ P. 28
Function to prevent the GPS signal reception function from
working.
Set this mode when boarding an airplane, etc.
Displays by the seconds hand the number of GPS satellite
from which GPS signals are received during GPS signal
reception.
Displays the latest reception result (success/failure).
Displays the currently set time zone.
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.
Automatically corrects misalignment when the hands are
misaligned due to external factors such as magnetic
influence.
Automatically receives leap second data when leap
second data reception is necessary.
Your watch can switch between the times of its main-dial
and sub-dial.
It can also switch DST.
ASTRON 5X53 GPS SOLAR

SPECIFICATIONS

1. Basic function Main-dial (hour, minute, and seconds hands), date display, day display, indicator
function, dual time display function (with AM/PM hand), world time function (39 time
zones)
2. Frequency of crystal 32,768 Hz (Hz = Hertz ... Cycles per second)
oscillator
3. Loss/gain (monthly Loss / gain ±15 seconds on a monthly rate (When the watch is used without an
rate) 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 (41°F and 95°F)).
4. Operational Between −10°C and +60°C (14°F and 140°F)
temperature range
5. Driving system Step motor: main-dial (hour, minute, and seconds hands), day hand, indicator hand
and date, sub-dial (hour, minute, and AM/PM hand).
6. Power source Secondary battery, 1 piece
7. Duration of operation About 6 months (on a full charge, without power save function)
* 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 Time zone adjustment, manual time adjustment, automatic time adjustment
function
* Between reception and the next reception, the watch operates with the above quartz
precision
9. IC (Integrated Circuit) Oscillator, frequency divider and driving circuit C-MOSIC, 4 pieces
* The specifications are subject to change without prior notice due to product improvements.
Declaration of Conformity
54
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