Seiko Astron 3X22 User Manual
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READ FIRST
Complete User Guide
3X22 GPS Solar Watch
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CONTENTS
ASTRON 3X22 GPS SOLAR
Thank you very much for choosing a SEIKO watch.
For proper and safe use of your SEIKO watch,
please read carefully the instructions in this
booklet before using it.
Keep this manual handy for easy reference.
* Length
was purchased. If you cannot have your watch repaired by the retailer from whom the watch
was purchased because you received the watch as a gift, or you moved to a distant place,
please contact SEIKO CUSTOMER SERVICE CENTER. The service may also be available
on a chargeable basis at other retailers, however, some retailers may not undertake the
service.
* If your watch has a protective film for preventing scratches, make sure to peel it off before
using the watch. If the watch is used with the film on it, dirt, sweat, dust, or moisture may be
attached to the film and may cause rust.
adjustment service for metallic bands is available at the retailer from whom the watch
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ASTRON 3X22 GPS SOLAR
Handling cautions
b WARNING
Please
note that there is a risk of serious consequences such as severe injury if the following safety
regulations are not strictly observed.
Immediately stop wearing the watch in following cases:
○ If the watch body or band becomes edged by corrosion etc.
○ If the pins protrude from the band.
* Immediately
CENTER.
consult the retailer from whom the watch was purchased or SEIKO CUSTOMER SERVICE
Keep the watch and accessories out of the reach of babies and
children.
Care should be taken to prevent a baby or a child accidentally swallowing the accessories.
If a baby or child swallows the battery or accessories, immediately consult a doctor, as it will be harmful
to the health of the baby or child.
Do not remove the secondary battery from the watch.
*
About the secondary battery → Power Source P. 36
Replacement of the secondary battery requires professional knowledge and skill. Please ask the retailer
from whom the watch was purchased for replacement of the secondary battery.
Installation of an ordinary silver oxide battery can generate heat that can cause bursting and ignition.
b CAUTION
Please
note that there is a risk of minor injury or material damage if the following safety regulations
are not strictly observed.
Avoid the following places for wearing or keeping the watch:
○ Places where volatile agents (cosmetics such as polish remover, bug repellent, thinners etc.) are
vaporizing
○ Places where the temperature drops below
5°C or rises above 35°C for a long time
○ Places affected by strong magnetism or static
electricity
○ Places affected by strong vibrations
○ Places of high humidity
○ Dusty places
If you observe any allergic symptoms or skin irritation
Stop wearing the watch immediately and consult a specialist such as a dermatologist or an allergist.
Other cautions
○ For adjusting the length of the metallic band, specialized knowledge and expertise are necessary.
Therefore,
adjust the metallic band, injury may occur to your hand or fingers, or parts of the band may be lost.
○ Do not disassemble or tamper with the watch.
○ Keep the watch out of the reach of babies and children. Extra care should be taken to avoid risks of
any injury or allergic rash or itching that may be caused when they touch the watch.
○ When disposing of used batteries, follow the instructions of your local authorities.
○ If your watch is of the fob or pendant type, the strap or chain attached to the watch may damage your
clothes, or injure the hand, neck, or other parts of your body.
○ Please keep in mind that if a watch is taken off and placed down as it is, the case back, the band and
the clasp will rub against each other possibly causing scratches on the case back. We recommend
placing a soft cloth between the case back, the band and the clasp after taking off your watch.
in such a case, contact the retailer from whom the watch was purchased. If you attempt to
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ASTRON 3X22 GPS SOLAR
b WARNING
Do not use the watch for 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 watches specifically designed for diving.
b CAUTION
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.
b CAUTION
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 CUSTOMER SERVICE CENTER.
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.
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.
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This is a GPS solar watch.
This watch has the following features.
ASTRON 3X22 GPS SOLAR
Features
GPS signal reception
The time on the watch can be adjusted to the
current time with just one button operation*,
anywhere in the world.
* DST (daylight saving time or “summer time”) is set manually
This watch quickly adjusts the time by receiving GPS signals
from GPS satellites.
→ Place where GPS signals can be easily received/Place
where GPS signals cannot be received P. 16
This watch responds to all the time zones around the world.
→ Time zone P. 6
When the region or time zone where the watch is used is
changed, please carry out operation of “time zone adjustment.”
→ How to adjust the time zone P. 20
Solar charging Function
This watch operates by solar charging.
Expose the dial to light to charge the watch.
The watch will operate for about 6 months on a full charge.
When the energy stored in the watch runs out
completely, it takes time to fully charge the watch, so
please keep in mind to charge the watch regularly.
→ How to charge the watch P.
→ Standard Charging Time P. 14
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Automatic time adjustment function
This watch automatically adjusts the time in
accordance with action patterns during use.
When the watch has sensed sufficient brightness under
an open sky, it automatically receives GPS signals from
GPS satellites. This function enables the watch to
automatically adjust the time precisely even while you are
using the watch.
→ Automatic time adjustment P. 24
* This watch is unable to receive GPS signals when the
energy stored in the watch is low.
→ Check the charging status P. 13
* Unlike navigation equipment, this GPS solar watch is not designed to constantly receive GPS signals from GPS satellites without any operation.
This watch receives GPS signals only in the time zone adjustment mode, automatic or manual time adjustment mode.
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ASTRON 3X22 GPS SOLAR
Mechanism by which the GPS solar watch sets time and date
GPS satellite
This is a satellite operated by the United States Department of
Defense
altitude of 20,000 km.
Initially, this was a military satellite, but at present, information
is partially disclosed to the public and used in various equipment
including car navigation systems and cellular phones.
The GPS satellite is mounted with a high-accuracy atomic clock
with an accuracy deviation of 1 second per 100,000 years.
(official name is NAVSTAR), and orbits the earth at an
Mechanism by which this watch sets the time and date
This watch receives GPS signals from GPS satellites to set the
time and date based on the following information.
• Precise time and date based on the atomic clock
• Time zone information for your current location
(The current location is generally measured using 4 or more
GPS satellites, to identify where among the world’s time
zones the watch is located.)
To receive information about a time zone where you are, it is necessary
*
to adjust the time zone.
→ How to adjust the time zone P. 20
* Unlike navigation equipment, this GPS solar watch is not designed to
constantly receive GPS signals from GPS satellites without any
operation.
This watch receives GPS signals only in the time zone adjustment mode,
automatic or manual time adjustment mode.
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ASTRON 3X22 GPS SOLAR
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Time zone
Time zone
Based on Coordinated Universal Time (UTC), the standard time commonly used is adopted by countries and regions around the world.
Standard time is determined by nations and regions, with
January 2019).
DST (Daylight Saving Time)
Depending on the area, DST (Daylight Saving Time) is individually set.
Daylight Saving Time means summer time, which is a system to lengthen daylight time by advancing 1 hour when daylight time is long in summer.
Daylight saving time has been adopted in about 80 countries, mainly in Europe and North America. The adoption and duration of daylight saving time vary depending on the country.
DST (daylight saving time or “summer time”) in each region may be changed by countries and regions.
*
Coordinated Universal Time (UTC)
“time zone” used to refer to the whole of a region that uses the same standard time. At present, the globe is divided into 38 time zones (as of
UTC is the universal standard time coordinated through an international agreement. This is used as the official time for recording time around the world. The time obtained by adding a leap second to
the “International Atomic Time (TAI)” determined based on the atomic clock around the world and coordinated in order to compensate for deviations from universal time (UT) which is astronomically
determined is the UTC.
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ASTRON 3X22 GPS SOLAR
The following functions are included
When the region or time zone where the watch is used is changed
Adjust the time zone.
The correct time for the current region is shown.
→
Time zone adjustment P. 19
→ Time zone P. 6
→ List of time differences around the world (for reference) P. 12
Los Angeles
7:00 PM on 6th
London
3:00 AM on 7th
To set only the time
The correct time for the set time difference can be displayed by performing “manual time
adjustment”.
→
How to manually adjust the time P. 22
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Caliber/case
number
The number to
identify the watch
type
ASTRON 3X22 GPS SOLAR
How to check when the time zone information was configured for your watch
By referring to caliber-case number shown on the case back, you will be able to determine when
The case back shows the caliber-case number of
your watch.
* Display may vary depending on the model.
https://www.seikowatches.com/global-en/customerservice/knowledge/
In a region where the time zone has changed after time zone information was set on your watch,
the
correct time will not be displayed even if time zone adjustment is performed through GPS radio
reception. Please perform the following operations to display the proper time.
<To set the time on the product in a region in which the time zone has
1. Select the current time in the region, using the manual time difference setting (selection).
If DST (daylight saving time or “summer time”) is in effect, select a time that takes that into
account.
Please see
2. Next, adjust the time by manual time adjustment.
For details, please refer to "Manual time adjustment" P. 21.
3. When using the watch within the same time zone, the correct time will be displayed after
automatic (GPS) or manual time adjustments.
"About manual time difference setting (selection)" P. 23 for details.
the time zone data was configured.
For more details, refer to the URL below.
gpstimezonedatainfo
changed>
4. When moving from a region where the official time zone has changed to a different time zone,
then back to the region where the official time zone has changed, carry out the same operations
from 1. - 3. as indicated above to display the correct time in the region where the official time
zone has changed.
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CONTENTS
ASTRON 3X22 GPS SOLAR
CONTENTS
1. READ FIRST ..................................................................................................................
Handling cautions ........................................................................................................... 2
Features ......................................................................................................................... 4
Mechanism by which the GPS solar watch sets time and date ....................................... 5
Time zone ....................................................................................................................... 6
The following functions are included .............................................................................. 7
How to check when the time zone information was configured for your watch ............... 8
2
2. CONTENTS .................................................................................................................... 9
3. BEFORE USE .............................................................................................................. 10
Names of the parts ....................................................................................................... 10
About display of reception results and in-flight mode (
List of time differences around the world (for reference) ...............................................
Check the charging status ............................................................................................ 13
About charging ............................................................................................................. 14
) ........................................... 11
12
4. BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS
SIGNALS, ETC.) ................................................................................................................. 15
Basic operation flow ..................................................................................................... 15
GPS signal reception .................................................................................................... 16
To adjust the time zone and time by GPS signal reception (Time Zone Adjustment) .... 19
To adjust only the time by GPS signal reception (manual time adjustment) ................. 21
Setting the destination time zone while in flight, etc. (manual time difference setting),
and setting/resetting DST (daylight saving time or “summer time”) .............................. 23
Automatic time adjustment ........................................................................................... 24
When boarding (in-flight mode (
Leap second (Automatic leap second reception function) ............................................
)) ........................................................................... 25
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6. TO PRESERVE THE QUALITY OF YOUR WATCH ........................................
Daily care ..................................................................................................................... 29
Performance and caliber / case number ....................................................................... 29
Water resistant performance ........................................................................................ 29
Magnetic resistance ..................................................................................................... 30
Band ............................................................................................................................. 31
How to use an easy adjust type clasp ........................................................................... 32
How to use an adjustable three-fold clasp .................................................................... 33
How to use an adjustable three-fold clasp (Pointed tip diving type) .............................. 34
Lumibrite ...................................................................................................................... 35
Power Source ............................................................................................................... 36
After sales service ........................................................................................................ 37
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7. TROUBLESHOOTING .............................................................................................. 38
When the watch is unable to receive GPS signals ........................................................ 38
Adjust the time under a condition in which the watch is unable to receive GPS signals
(Manual time setting) .................................................................................................... 38
When the date or the position of the hour, minute, or seconds hand is incorrect .......... 40
Troubleshooting ........................................................................................................... 43
8. FUNCTION LIST/SPECIFICATIONS ................................................................... 48
Index ............................................................................................................................ 48
SPECIFICATIONS ........................................................................................................ 49
5. IN CASE OF AN UNUSUAL MOVEMENT OF THE SECONDS HAND .... 28
Seconds hand movement and watch state (energy depletion forewarning function) .... 28
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4
5
6
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3
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BEFORE USE
Names of the parts
Hour hand
1
Seconds hand
2
Minute hand
3
Button A
4
Crown
5
ASTRON 3X22 GPS SOLAR
* The orientation and design of the display may vary depending on the model.
Date
6
Button B
7
10
1
2
3
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BEFORE USE
ASTRON 3X22 GPS SOLAR
About display of reception results and in-flight mode (
Display of reception result
1
: Reception successful (8-second position)
Y
N : Reception failed (52-second position)
→ Check the reception result P. 18
Display of in-flight mode (
2
Hand position
Display
→ In-flight mode P. 25
Display of charging status
3
)
)
In-flight mode (
) status
* The orientation and design of the display may vary depending on the model.
Hand position full middle low
Display
→ Check the charging status P. 13
→
How to charge the watch P. 14
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BEFORE USE
List of time differences around the world (for reference)
This is a list of time differences around the world.
When performing manual time difference setting (selection), refer to the crown rotation direction.
DST (Daylight Saving Time) has been adopted in countries marked with a H.
In the Lord Howe Island time zone in Australia with a I mark, the time is advanced by 30 minutes while DST (Daylight Saving Time) is in effect.
ASTRON 3X22 GPS SOLAR
Representative city names…
All global time zones
Time difference from UTC:
+14 hours ~ –12 hours
→ Time zone adjustment P. 19
Operation of the crown when manually setting the time
difference
to perform manual time difference setting (selection)
→ How
P. 23
Turning the crown to the
right moves the time
forward.
Turning the crown to the left
moves the time backward.
City name UTC ± hours
HLondon
HParis/ HBerlin
Cairo +2
Jeddah +3
HTehran
Dubai +4
Kabul +4.5
Karachi +5
Delhi +5.5
Kathmandu +5.75
Dhaka +6
Yangon +6.5
Bangkok +7
Beijing +8
Eucla +8.75
Tokyo +9
HAdelaide
HSydney
ILord Howe Island
+1
+3.5
+9.5
+10
+10.5
City name UTC ± hours
0
Nouméa +11
HWellington
HChatham Islands
Nuku’alofa +13
Kiritimati +14
Baker Island -12
Midway islands -11
Honolulu -10
Marquesas Islands -9.5
HAnchorage
HLos Angeles
HDenver
HChicago
HNew York
Santo Domingo -4
HSt. John’s
HRio de Janeiro
Fernando de Noronha -2
HAzores
+12
+12.75
-3.5
-9
-8
-7
-6
-5
-3
-1
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* Information about time differences among regions (time zones) and the
implementation of DST (daylight saving time or “summer time”) is as of
January 2019.
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BEFORE USE
Check the charging status
Push and
release
Button B
When Button B is pushed and released, the seconds hand moves, allowing you to check the energy level.
We recommend that you check the “energy level” on a regular basis to ensure that the watch does not do into a low energy state.
* GPS signal reception requires a lot of energy. Keep in mind to regularly charge the watch by expose to light.→ About charging P. 14
ASTRON 3X22 GPS SOLAR
Reception is allowed
Seconds hand display Charging status Solution
Reception is allowed.
full
middle
Use the watch as it is.
15
→ P.
Reception is allowed, but keep in mind to charge
the watch.
→ P.
15
13
Reception is not allowed
Seconds hand display Charging status Solution
The movement of the
seconds hand
2-second
interval
movement
5-second
interval
movement
The watch is unable
low
The energy level is in a very “low”
state.
*
If the energy depletion
forewarning function is
activated, the “charging status”
cannot be displayed.
to receive GPS
signals, but has
energy to operate.
Charging status Solution
To enable reception, charge the watch until the
energy level is at least “middle”.
→
About charging P. 14
To keep the watch operating and also enable
reception, continue charging the watch until the
energy level is at least “middle”.
About charging P. 14
→
→ 2-second interval movement/5-second interval
movement are brought about P. 28
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BEFORE USE
ASTRON 3X22 GPS SOLAR
About charging
How to charge the watch
Expose the dial to light to charge the watch.
To ensure optimal performance of the watch,
make sure that the watch is kept sufficiently
charged at all times.
* When charging the watch, make sure that the watch is not heated to a high temperature. (The operational
temperature range is between -10°C to +60°C (14 ºF and 140 ºF).)
When first using the watch or starting to use the watch after it has stopped because of the energy depletion,
*
sufficiently charge the watch referring to the table on the page at the right.
Under the following situations, the energy of
the watch is likely to be depleted, resulting in
stoppage of the watch:
• The watch is concealed under a sleeve.
• The watch is used or stored under
conditions where it cannot be exposed to
light for a long time.
Standard Charging Time
Charge the watch using the times below as a guide.
GPS signal reception consumes considerable energy. Expose the watch to light frequently, and
charge the watch so that the energy level is "middle" or "full". (If the energy level is “low”, reception
will not begin even if GPS signal reception is operated.)
→
Check the charging status P. 13
In the state
where the
hand moves
(the watch is
charged)
To move for
one day
Illumination
lx (LUX)
700
3,000
10,000
100,000 Sunlight
Light source Condition (Example)
Fluorescent
Fluorescent
Sunlight
Fluorescent
light
light
light
From the state where the watch is
stopped (not charged)
To fully
charged
General offices - - 3.5 hours
30 W 20 cm 250 hours 9.5 hours 1 hour
Cloudy day
30 W 5cm
Sunny day (Under the
direct sunlight on a
summer day)
75 hours 3 hours 15 minutes
30 hours 1.5 hours 10 minutes
To one-second
interval movement
is secured
The figures of “Time required for charging the watch to start moving at one-second intervals” are
estimations of time required to charge the stopped watch by exposing it to light until it moves at
steady one-second intervals. Even if the watch is partially charged for a shorter period, the watch
resume one-second- interval movement. However, it may shortly return to two-second-interval
will
movement. Use the charging time in this column as a rough guide for sufficient charging time.
* The required charging time slightly varies depending on the model.
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