Seiko ASTRON User Manual

7
ASTRON 7X52 GPS SOLAR
BEFORE USE
CONTENTS
3
Names of the parts
Continued on the
following page
 P. 8
 P. 34
 P. 25 ~ 26
Keep the crown locked while you are
wearing the watch.
Crown (Screw lock type)
Button B
Sub-dial
Indicator hand
Main-Dial
DateHour hand Minute hand Second hand
Button C
Button A

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