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Seiko Astron 3X22, Complete User Manual, Page: 6 / 50

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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 (official name is NAVSTAR), and orbits the earth at an

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.

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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READ FIRST

ASTRON 3X22 GPS SOLAR

Summary of Contents for Astron 3X22

Page 1: ... READ FIRST CONTENTS Complete User Guide 3X22 GPS Solar Watch ...

Page 2: ...red 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 t...

Page 3: ...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 derm...

Page 4: ...rn 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 di...

Page 5: ... 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 14 Standard Charging Time P 14 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 a...

Page 6: ...d 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 wh...

Page 7: ... 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 UTC is the universal standard time coordinated through an international agreement This i...

Page 8: ...egion 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 7 1 READ FIRST ASTRON 3X22 GPS SOLAR ...

Page 9: ...to display the proper time To set the time on the product in a region in which the time zone has changed 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 About manual time difference setting selection P 23 for details 2 Next adjust the time by manu...

Page 10: ...g DST daylight saving time or summer time 23 Automatic time adjustment 24 When boarding in flight mode 25 Leap second Automatic leap second reception function 26 5 IN CASE OF AN UNUSUAL MOVEMENT OF THE SECONDS HAND 28 Seconds hand movement and watch state energy depletion forewarning function 28 6 TO PRESERVE THE QUALITY OF YOUR WATCH 29 Daily care 29 Performance and caliber case number 29 Water r...

Page 11: ...he parts 1 4 5 6 7 2 3 The orientation and design of the display may vary depending on the model 1 Hour hand 2 Seconds hand 3 Minute hand 4 Button A 5 Crown 6 Date 7 Button B 10 3 BEFORE USE ASTRON 3X22 GPS SOLAR ...

Page 12: ...ight mode Hand position In flight mode status Display In flight mode P 25 3 Display of charging status Hand position full middle low Display Check the charging status P 13 How to charge the watch P 14 The orientation and design of the display may vary depending on the model About display of reception results and in flight mode 11 3 BEFORE USE ASTRON 3X22 GPS SOLAR ...

Page 13: ...e forward Turning the crown to the left moves the time backward City name UTC hours HLondon 0 HParis HBerlin 1 Cairo 2 Jeddah 3 HTehran 3 5 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 9 5 HSydney 10 ILord Howe Island 10 5 City name UTC hours Nouméa 11 HWellington 12 HChatham Islands 12 75 Nuku alofa 13 Kiritimati 14 Baker...

Page 14: ... charge the watch P 15 Reception is not allowed Seconds hand display Charging status Solution low The watch is unable to receive GPS signals but has energy to operate To enable reception charge the watch until the energy level is at least middle About charging P 14 The movement of the seconds hand Charging status Solution 2 second interval movement The energy level is in a very low state If the en...

Page 15: ...rgy level is low reception will not begin even if GPS signal reception is operated Check the charging status P 13 Illumination lx LUX Light source Condition Example From the state where the watch is stopped not charged In the state where the hand moves the watch is charged To fully charged To one second interval movement is secured To move for one day 700 Fluorescent light General offices 3 5 hour...

Page 16: ...he time and date Setting by GPS signal reception Receive GPS signals set the time zone and set the time and date If DST daylight saving time or summertime isineffect set the time difference manually How to adjust the time zone P 20 How to perform manual time difference setting selection P 23 Set only the time How to manually adjust the time P 22 Manual setting Confirm time and date display Incorre...

Page 17: ... Examples Between tall buildings Near wooded area Station Airport Indoors with windows GPS signals cannot be received depending on window glass type Refer to the Cannot receive Cannot receive The sky cannot be seen or only part of the sky can be seen There is something hindering the reception Examples Indoors without windows Underground During passage of a tunnel Through special glass with thermal...

Page 18: ...atically display the local time just by changing location If you are in a place where GPS signals can be easily received adjust the time zone The watch automatically displays the local time When you are in a place where GPS signals cannot be received perform manual time difference setting selection How to perform manual time difference setting selection P 23 The watch can be set to any time zone t...

Page 19: ...ton B is pressed the watch returns to the time display mode When the reception result is Y The reception was successful Use the watch as it is When the reception result is N Move to the outdoors where GPS signals can be easily received as necessary to receive GPS signals Place where GPS signals can be easily received Place where GPS signals cannot be received P 16 When approximately four days have...

Page 20: ... begin even if GPS signal reception is operated Check the charging status P 13 Precautions on time zone adjustment When time zone correction is performed near a border between time zones the time for the neighboring time difference time zone may be displayed In some areas the boundaries observed by the watch may not exactly correlate to the actual time zone markers on the land This does not indica...

Page 21: ...ignals while you are in motion It takes a maximum of 2 minutes to complete reception It depends on the receiving conditions To cancel the reception press Button B Press Button B 4 When the seconds hand points to Y or N reception is completed The reception result is displayed for 5 seconds When reception was successful the time and date will be correct After the seconds hand has displayed the recep...

Page 22: ... selection manually How to perform manual time difference setting selection P 23 Failure or success of reception depends on the reception environment Place where GPS signals can be easily received Place where GPS signals cannot be received P 16 At the time when the reception was successful by manually adjusting the time automatic time adjustment may be performed For details refer to Automatic time...

Page 23: ... on the reception conditions To cancel the reception press Button B Press Button B 4 When the seconds hand points to Y or N reception is completed The reception result is displayed for 5 seconds When reception is successful the time and date will be correct After the seconds hand has displayed the reception result the hour minute and seconds hands will return to their normal display Reception resu...

Page 24: ...backward To set the watch to the time at the destination the time and date must be set If you turn the crown in the wrong direction change direction and reset the date and time A date up to about 2 weeks later or earlier can be displayed Note that changing the date too far will result in a date two weeks earlier or later 3 Pull out the crown to the second click When setting the time in 1 hour incr...

Page 25: ...difficult to expose to light sufficiently Even if outdoors under an open sky when the watch is concealed under a sleeve in winter time etc in an area where the daylight hours are short or when the watch is not likely to be exposed to sufficient light for a long time due to bad weather the watch is designed to allow for automatic time reception at the time when the manual time adjustment was succes...

Page 26: ...ifference setting 2 Continue to press Button B 3 seconds The seconds hand will move to the 42 second position 0 1 2 Press for 3 seconds 3 Push the crown back in 0 1 2 Push back in Setting the destination time zone while in flight etc manual time difference setting and setting resetting DST daylight saving time or summer time P 23 Reset the in flight mode Turn off the in flight mode when leaving an...

Page 27: ...is required After the completion of time adjustment automatic time adjustment or manual time adjustment up to 18 minutes may be required until receipt of leap second data is complete Confirm the result success or failure of the leap second data Check whether leap second data reception was successful P 27 When GPS signals are received under the following conditions the leap second data reception is...

Page 28: ...uccess failure Result Successful Failed Display Position Y 8 second position N 52 second position After 5 seconds have elapsed or when Button B is pressed the watch returns to the time display mode When the leap second data reception result is Y successful The leap second data reception was successful Use the watch as it is When the leap second data reception result is N failed The leap second dat...

Page 29: ...just the time zone P 20 The seconds hand stops at the 15 second position 45 second position Power save function When the watch is not exposed to light for a long time the power save function will work Power Save 1 Power Save 2 State The seconds hand stops pointing at the 15 second position The seconds hand stops pointing at the 45 second position Restriction on function display The hour and minute...

Page 30: ...rosion of the buttons Daily care The case back shows the caliber and performance of your watch 3 X 2 2 0 A A 0 Water resistant performance Caliber case number Magnetic resistant performance Water resistant performance Refer to P 29 Caliber case number The number to identify the type of your watch Magnetic resistant performance Refer to P 30 The above illustration is provided as an example therefor...

Page 31: ...atestoanextentexceedingthespecified rate under normal use the watch needs to be demagnetized In this case you will be charged for demagnetization and accuracy readjustment even if it happens within the guarantee period The reason why a watch is affected by magnetism The built in motor is provided with a magnet which may be influenced by a strong external magnetic field Examples of common magnetic ...

Page 32: ...en wearing a watch with light colored band as dirt is likely to show up Refrain from wearing a leather band watch other than Aqua Free bands while bathing swimming and when working with water even if the watch itself is water resistant enforced for daily use 10 BAR 20 BAR water resistant Polyurethane band A polyurethane band is susceptible to discoloration from light and may be deteriorated by sol...

Page 33: ...hens the band Push button Buckle 2 Fasten the clasp by pressing the frame of the buckle 1 You can lengthen the band by up to about 5 mm 2 stages by firmly pressing the push buttons from both sides to actuate the adjuster 2 Fasten the clasp by pressing the frame of the buckle Even while the clasp is closed you can still retract the length of band extended by the adjuster How to wear the band openin...

Page 34: ...sh buttons on both sides of the flap pull the buckle up The band will automatically come out of the loop Fixed loop Movable loop Buckle Flap Push button 2 Press the push buttons again to unfasten the flap 3 Pull the pin out of an adjustment hole of the band Slide the band to adjust its length and find an appropriate hole Place the pin into the hole Pin Adjustment hole 4 Fasten the flap How to wear...

Page 35: ...e frame of the buckle 1 Open the band clasp by pushing the buttons on both sides of the clasp Buckle Push button Band 2 Pull the pins out of the adjustment holes at both locations Pin Pin Adjustment hole 3 Slide the band to the right and left and at an appropriate length push the pins firmly into the adjustment holes again at those 2 locations How to wear or take off the watch How to adjust the le...

Page 36: ...ral when coming from a place that is bright to a place that is dark it takes human eyes some time to adapt to the darkness making it difficult to see objects initially Dark adaptation Lumibrite is luminous paint that stores and emits light which is harmless to human beings and the environment containing no toxic materials such as radioactive substances Brightness levels Condition Illumination Sunl...

Page 37: ...s fully charged the overcharge prevention function is automatically activated to avoid further charging There is no need to worry about damage caused by overcharging no matter how much the secondary battery is charged in excess of the time required for fully charging the watch Refer to Standard Charging Time P 14 to check the time required for fully charging the watch bWARNING Notes on charging th...

Page 38: ...nt by disassembly and cleaning overhaul Periodic inspection and adjustment by disassembly and cleaning overhaul is recommended approximately once every 3 to 4 years in order to maintain optimal performance of the watch for a long time According to use conditions the oil retaining condition of your watch mechanical parts may deteriorate abrasion of the parts may occur due to contamination of oil wh...

Page 39: ... reception result is displayed as N Move to a place where GPS signals can be easily received Place where GPS signals can be easily received Place where GPS signals cannot be received P 16 The seconds hand stops at the 45 second position before the reception is completed The watch enters the power save 2 state If GPS signal reception is performed under low temperatures 0 C or less in a state where ...

Page 40: ...he manual time setting mode the reception result will be displayed as N since the reception results data will be lost 3 Turn the crown to set the time Turn the crown clockwise to advance the time Turn the crown counterclockwise to set back the time Turn quickly to move continuously Turn again to stop moving When it has moved continuously for 12 hours it will stop Turn the crown to continue setting...

Page 41: ...ate of Misaligned Preliminary Hand Position to that of a weight scale it is like a scale which is unable to display the correct weight because its needle is not set to the zero position before weighing Setting the standard position of the hour minute and seconds hands automatic hand position alignment function The automatic hand position alignment function automatically adjusts the hour minute and...

Page 42: ...ess for 3 seconds During movement of the date the buttons cannot be operated The seconds hand stops at the 18 second position The date moves and stops when it indicates the standard position 3 Turn the crown to adjust the date to 1 Adjust so that the numeral 1 appears in the center of the date window If 1 is displayed go to operation D Turn the crown clockwise to advance 1 step Turn the crown coun...

Page 43: ...and the seconds hand and the hour minute hands start moving 0 1 2 Push back in 7 Set the time by receiving GPS signals When you are in a place where GPS signals can be easily received adjust the time zone How to adjust the time zone P 20 When operations A F are complete be sure to set the time When you are in a place where GPS signals cannot be received Set the time difference and date manually Ho...

Page 44: ...h is exposed to light the hand will rapidly advance and return to the current time When the watch returns to the current time use it as is This is not an abnormal movement Thestoppedsecondshandpointingto the 45 second position started operating The power save function 2 has been activated P 28 When the watch is not sufficiently charged for a certain period of time the power save function 2 is auto...

Page 45: ...S signals cannot be received P 16 Receive GPS signals in a place where GPS signals can be easily received P 16 Receptionispossible receptionresult displaybecomes Y butthetimeand date are not accurate when it is understood as a reception result after time adjustment A time difference from that of the current location is set Check the time difference time setting Reset the time difference if differe...

Page 46: ...e reception result is displayed as Y but the time is gained or lost by one to two seconds The automatic time adjustment function has not been activated for a few days When energy is insufficient the automatic time adjustment may operate only once every 3 days P 24 The automatic time adjustment function is not activated every day The energy stored in the watch is insufficient Conditions to activate...

Page 47: ...correct after that manually adjust the time as necessary If the watch is not recovered consult the retailer from whom the watch was purchased P 22 The time is gained lost 1 hour The setting for the time difference including DST daylight saving time or summer time does not match the time of the current location Reset the time difference if different from the time of the current location How to perf...

Page 48: ...stops the crown and buttons can be operated You get lost in the middle of the operation When the crown is pulled out Push the crown back in The seconds hand will move in at most 3 minutes After that restart operation When the crown is not pulled out Press Button B The seconds hand will move in at most 1 minute After that restart operation Other trouble Blur in the display persists Small amount of ...

Page 49: ...ignals from GPS satellites and automatically begins reception of signals It displays the accurate current time for the set time difference Manual time difference setting selection P 23 This function enables changing of the time difference Also use this function to set DST daylight saving time or summer time Functions to charge Solar Charging Function P 14 The watch converts light to electrical ene...

Page 50: ...e setting by receiving GPS signal and when it is worn on the wrist within a normal temperature range between 5 C and 35 C 41ºF and 95ºF 4 Operational temperature range Between 10 C and 60 C 14ºF and 140ºF 5 Driving system Step motor type Basic watch hour minute and seconds hands date 6 Power source Secondary battery 1 piece 7 Duration of operation About 6 months on a full charge without power save...

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