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Seiko ASTRON User Manual

Seiko ASTRON
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3
ASTRON 7X52 GPS SOLAR
READ FIRST
CONTENTS
1
Do not use the watch in scuba diving or
saturation diving.
The various tightened inspections under simulated harsh
environment, which are usually required for watches
designed for scuba diving or saturation diving, have not
been conducted on the water-resistant watch with the
BAR (barometric pressure) display. For diving, use special
watches for diving.
Do not pour running water directly from faucet.
The water pressure of tap water from a faucet is high
enough to degrade the water resistant performance of a
water resistant watch for everyday life.
Do not leave moisture, sweat and dirt on the
watch for a long time.
Be aware of a risk that a water resistant watch may lessen
its water resistant performance because of deterioration
of the adhesive on the glass or gasket, or the development
of rust on stainless steel.
Do not wear the watch while taking a bath or a
sauna.
Steam, soap or some components of a hot spring
may accelerate the deterioration of water resistant
performance of the watch.
Do not turn or pull out the crown when the
watch is wet.
Water may get inside of the watch.
If the inner surface of the glass is clouded with condensation or
water droplets appear inside of the watch for a long time, the water
resistant performance of the watch is deteriorated. Immediately
consult the retailer from whom the watch was purchased or SEIKO
WORLDWIDE SERVICE NETWORK.
CAUTIONS
WARNING
CAUTIONS

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Seiko ASTRON Specifications

Frequency IconFrequency
frequency of crystal oscillator32, 768 Hz
loss/gain (monthly rate)±15 seconds
Operating Environment IconOperating Environment
operational temperature range−10°C to +60°C
normal temperature range5°C to 35°C
Power IconPower
power sourceSecondary battery, 1 piece
duration of operation (fully charged)Approximately 6 months
duration of operation (power save activated)Approximately 2 years

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