Seiko ASTRON, Complete User Manual

Page 1: ...8X53 GPS SOLAR WATCH Dual Time Complete User Guide CONTENTS READ FIRST ...

Page 2: ...act SEIKO WORLDWIDE SERVICE NETWORK 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 under the film and may cause rust For prop...

Page 3: ...the temperature drops below 5 ºC or rises above 35 ºC for a long time 41 ºF and 95 ºF Places of high humidity Places affected by strong magnetism or static electricity Dusty places Places affected by strong vibrations CAUTIONS 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 Re...

Page 4: ...sture 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 WARNING Do not use the watch for scuba diving or saturation diving The various tightened inspections under simulated harsh environment which are usua...

Page 5: ...Expose the dial to light to charge the watch Once fully charged the watch runs for approximately 6 months 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 This watch automatically adjusts the time in accordance with action patterns during use ...

Page 6: ...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 Precise time and date based on the atomic clock Information about a time zone wh...

Page 7: ...light 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 Daylight SavingTime is subject to change owing to circumstances of the country or region Coordinated UniversalTime UTC UTC is the universal standard time coo...

Page 8: ...nged Adjust the time zone The watch displays the precise local time Time zone adjustment P 17 Time Zone P 6 Time zone display and list of time zones around the world P 12 To set only the time The watch displays the precise time of the time zone that is set by operation of manual time adjustment How to manually adjust the time P 26 Check the time zone and DST Daylight Saving Time setting P 21 ...

Page 9: ...watch in a region where the official time zone has changed 1 Select the time zone appropriate for the current time in the target region by manual time zone setting For details please refer to Manual time zone setting P 23 2 Next adjust the time by manual time adjustment For details please refer to Manual time adjustment P 25 3 When using the watch within the same time zone the correct time will be...

Page 10: ...c Manual time zone setting 23 To set only the time manual time adjustment 25 Automatic time adjustment 27 GPS signal reception 28 Leap second Automatic leap second reception function 29 Check that reception was successful reception result display 30 Check the leap second data reception was successful 31 5 IN CASE OF AN UNUSUAL MOVEMENT OFTHE SECOND HAND 32 Second hand movement and watch state ener...

Page 11: ...ames of the parts Display of city name may vary depending on the model Crown Minute hand Date Day hand day of the week Sub dial AM PM hand Button A Sub dial 12 hour system Button B Hour hand Indicator hand Second hand Continued on the following page ...

Page 12: ...ime adjustment 4 time zone adjustment Receiving leap second data Display Y Reception successful 8 second position N Reception failed 22 second position Checking the reception result P 30 Display of reception result Indicator hand display and reception result display Position of each display may differ depending on the model design Check DST Daylight Saving Time P 21 Set DST Daylight Saving Time P ...

Page 13: ...racas 4 5 SDQ 4 Santo Domingo 4 St John s 3 5 RIO 3 Rio de Janeiro 3 FEN 2 Fernando de Noronha 2 PDL 1 Azores 1 The displays of city code and the time difference from UTC are Subject to change depending on model between figures of the display of time difference shows that there is a time zone in that place The following list shows the relationship between displays of the bezel and dial ring and ti...

Page 14: ...s activated P 32 Continue to charge the watch at least until the indicator hand points to the level position so that the watch is able to continuously operate and receive GPS signals About charging P 14 5 second interval movement The charging status is not displayed for the in flight mode Reset the in flight mode as long as possible Reset the in flight mode P 22 When the indicator hand points to E...

Page 15: ...watch make sure that the watch is not heated to a high temperature The operational temperature range is between 10 C and 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 Standard ChargingTime GPS signal reception consumes a lot of energy It...

Page 16: ...s can be easily received Place where GPS signals can be easily received Place where GPS signals cannot be received P 16 Receive GPS signals set the time zone and set the time and date Set DST Daylight SavingTime as necessary How to adjust the time zone P 18 Set DST Daylight Saving Time P 19 Set only the time How to manually adjust the time P 26 Setting by GPS signal reception Manual setting Check ...

Page 17: ...lar during time zone adjustment Easy to receive Cannot receive Difficult to receive Place where GPS signals can be easily received Place where GPS signals cannot be received There are places where GPS signals can be easily received and places where GPS signals cannot be received Examples Between tall buildings Near wooded area Station Airport Indoors with windows GPS signals cannot be received dep...

Page 18: ...ually set the time zone P 23 When the time zone is adjusted while traveling on land avoid time zone boundaries to carry out time zone adjustment in the representative cities in the time zone whenever possible In addition when the watch is used near time zone boundaries make sure to check the time zone setting and manually set the time zone as necessary Failure or success of reception depends on th...

Page 19: ...play Y Successful 8 second position N Failed 22 second position Display State Use the watch as it is When the reception result is displayed as N P 16 When the second hand has reached the 30 second position reception is started The indicator hand points to 4 While the indicator hand points to E or reception is not started even with operation for reception When the hand points to E charge the watch ...

Page 20: ...our and minute hands advance by one hour Turn ON DST Daylight SavingTime Turn OFF DST Daylight SavingTime Set DST Daylight Saving Time The indicator hand moves to indicate the current DST Daylight SavingTime setting When DST Daylight SavingTime setting is OFF In the Lord Howe Island time zone in Australia the time is advanced by 30 minutes while DST Daylight SavingTime is in effect This watch corr...

Page 21: ... hour Turn OFF DST Daylight Saving Time The indicator hand moves to indicate the current DST Daylight Saving Time setting The second hand moves to indicate the current time zone When DST Daylight SavingTime setting is OFF 0 1 2 Pull out to the first click Press Button B 2 The second hand moves to display the currently set time zone of the sub dial The day hand points to Continue to press Button A ...

Page 22: ...ere GPS signals cannot be received How to manually set the time zone P 23 For the relationship between the stop watch 1 5 second hand position and time zone refer to the Time zone display and list of time zones around the world P 12 0 1 2 Pull out to the 1st click 0 1 2 Push back in Press Button B 2 0 1 2 Press Button B The second hand moves to display the currently set time zone of the sub dial T...

Page 23: ... To set the watch to the local time of the destination in an airplane etc Manual time zone setting P 23 The display when the charging status is full The indicator hand indicates the charging status The indicator hand points to In flight mode Set to the in flight mode where the reception may influence operation of other electronics devices in an airplane etc In the in flight mode the GPS signal rec...

Page 24: ... manually set the time zone The second hand moves to display the currently set time zone When the crown is turned the second hand moves to the next zone To set the watch to the local time of the destination in an airplane etc Manual time zone setting Manual time zone setting In places where the time zone cannot be adjusted the time zone can be set manually Place where GPS signals can be easily rec...

Page 25: ...lick Display of the indicator hand Displays ON OFF setting of DST Daylight SavingTime DST OFF ON Display Hand position DST 0 1 2 Push back in Pull out the crown to the first click 0 1 2 Press Button B How to manually set the time zone of the sub dial If the DST Daylight SavingTime of the sub dial is not correct change over ON set OFF reset with reference to Set DST Daylight Saving Time of the sub ...

Page 26: ...o it is not necessary to manually adjust the time immediately thereafter DST Daylight SavingTime is not automatically set Carry out the setting manually Set DST Daylight SavingTime P 19 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 m...

Page 27: ...received Place where GPS signals cannot be received P 16 Display during reception satellites acquisition status The second hand indicates ease of receiving number of GPS satellites from which GPS signals are received To acquire only time information the number of satellites necessary for reception is one Number of acquired satellites 1 0 Display State Easy to receive Cannot receive Reception resul...

Page 28: ...doors 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 successful the last time When the watch is exposed to the o...

Page 29: ...l reception includes three types Features for each type are as follows GPS signal reception Q A GPS signal reception Q When the watch is moved to a different time zone does the watch automatically display the local time A The watch does not automatically display the local time just by being moved If you are in a place where GPS signals can be easily received adjust the time zone The watch automati...

Page 30: ...ons from the universal time UT which is astronomically determined and the International AtomicTime TAI 1 second may be added deleted once a year or every few years Automatic leap second reception function A leap second is automatically added by receiving leap second data from GPS signals at the time of leap second addition delete Leap second data includes information about future leap second addit...

Page 31: ...uccess failure Indicator hand Reception method manual time adjustment or time zone adjustment When Button A is kept pressed the watch enters the Manual time adjustment operation After 5 seconds have elapsed or when Button 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 ...

Page 32: ...ond position When the leap second data reception result isY 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 data reception periodically performed has not been successful It will be performed automatically with the next GPS signal reception automatic time adjustment manual time adjustment Use the ...

Page 33: ...e the watch P 14 2 Keep in mind to charge the watch until the indicator hand points to the middle position or full position If the indicator hand points to low position GPS signals cannot be received Check the charging status P 13 1 Charge the watch until the indicator hand points to the middle position or full position Check the charging status P 13 2 Carry out time zone adjustment to set the tim...

Page 34: ... in an insufficient charging state for a long time Solution When the watch is exposed to an adequate light source for more than 5 seconds or when any button is pressed it displays the current time again after the second hand is rapidly advanced 1 Charge the watch sufficiently until the charging status is displayed as the middle position or full position P 13 14 2 Carry out time zone adjustment to ...

Page 35: ... seawater be sure to wash the watch in clean pure water and wipe it dry carefully If your watch is rated as non water resistant or water resistant for daily use do not wash the watch Performance and caliber case number P 34 Water resistance P 35 Turn the crown from time to time In order to prevent corrosion of the crown turn the crown from time to time Press the buttons once in a while Press the b...

Page 36: ...ant performance Conditions of Use Water Resistant 10 20 Bar Water resistance for everyday life at 10 20 barometric pressures The watch is suitable for diving without an air cylinder Water resistance Refer to the table below for the description of each degree of water resistant performance of your watch before using ...

Page 37: ...s watch is affected by magnetism The built in motor is provided with a magnet which may be influenced by a strong external magnetic field This watch may be affected by nearby magnetism and temporarily gain or lose time or stop operating Even when the watch gains or loses time due to magnetic influence the hand positions are automatically adjusted by the automatic hand position adjustment function ...

Page 38: ...oration from moisture sweat and direct sunlight Wipe off moisture and sweat as soon as possible by gently blotting them up with a dry cloth Do not expose the watch to direct sunlight for a long time Please take care when 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 w...

Page 39: ...riate hole Place the pin into the hole Place the tip of the band into the moveable loop and fixed loop and fasten the clasp by pressing the frame of the buckle Press the push buttons again to unfasten the flap Fasten the flap Some bands are provided with an adjustable three fold clasp If the clasp of the watch you purchased is as follows please refer to the following instructions How to wear or ta...

Page 40: ...int that absorbs the light energy of the sunlight and lighting apparatus in a short time and stores it to emit light in the dark For example if exposed to a light of more than 500 lux for approximately 10 minutes Lumibrite can emit light for 3 to 5 hours Please note however that as Lumibrite emits the light it stores the luminance level of the light decreases gradually over time The duration of th...

Page 41: ...14 to check the time required for fully charging the watch When the watch has not been charged for a long time If the watch has not been charged for a long time the watch will be completely discharged and no longer able to be charged In this case consult the retailer from whom the watch was purchased WARNING Notes on replacing the second battery Do not remove the secondary battery from the watch R...

Page 42: ...aning 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 which may ultimately lead t...

Page 43: ...y carrying out the Points to be checked or time is gained or lost under a condition in which the watch is unable to receive GPS signals and the watch is unable to receive GPS signals continuously set the time manually Points to be checked When the watch does not start receiving or is unable to receive GPS signals even with operation of GPS signal reception the following can be considered Reception...

Page 44: ...ing The point in which the date changes is at 0 00 AM 12 00 PM Set the time taking into consideration AM or PM Even if GPS signals cannot be received the watch can be used with the same accuracy as a normal quartz watch at loss gain 15 seconds per month on average If the watch receives GPS signals after manual time setting it displays the received time How to manually set the time When using the w...

Page 45: ...eceived GPS signals the preliminary position may be misaligned The preliminary position is misaligned due to the following reasons Strong impact such as dropping or hitting When comparing the state 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 Adju...

Page 46: ...e to set back 1 step The preliminary position of the date is 1 1st The preliminary position of the indicator hand is low The preliminary position of the hour minute hands is 12 00 am The preliminary position of the second hand is 0 second The preliminary position of the second hand is 12 00 am Turn the crown to adjust the sub dial to 12 00 a m When 12 00 a m is displayed go to operation The second...

Page 47: ... position The day hand turns a full circle but this is not a problem 46 ASTRON 8X53 GPS SOLAR TROUBLESHOOTING CONTENTS 7 Turn the crown clockwise to advance 1 step Turn the crown quickly to move it continuously Turn the crown again to stop Turn the crown counterclockwise to set back 1 step The watch enters the mode to adjust the preliminary position of the day hand Continued on the following page ...

Page 48: ...ters the mode to adjust the preliminary position of the indicator hand During movement of the date the buttons cannot be operated The watch enters the mode to adjust the preliminary position of the date The second hand stops at the 53 second position Turn the crown quickly to move it continuously Turn the crown again to stop Turn the crown clockwise to advance 1 step Turn the crown counterclockwis...

Page 49: ... completed When you are in a place where GPS signals can be easily received adjust the time zone How to adjust the time zone P 18 Push the crown back in 12 The watch exits the mode to adjust the preliminary position and the second hand and the hour minute hands start moving Adjust the indicator hand to the position as shown in the figure If the indicator hand points as shown in the figure go to op...

Page 50: ...ht detection on Perform the operations to to turn the light detection on Adjust the second hand to point toY 8 second position ON in the operation Press Button A and Button B simultaneously for three seconds Press Button A for three seconds Press Button B The light detection can be cancelled While the light detection is disabled the automatic time adjustment setting is altered to the fixed time re...

Page 51: ... When the watch returns to the current time use it as is This is not an abnormal movement The stopped second hand pointing to the 45 second position started operating The power save function 2 has been activated P 33 When the watch is not sufficiently charged for a certain period of time the power save function 2 is automatically activated Charge the watch until the indicator hand points to the mi...

Page 52: ... received even by carrying out GPS signal reception The reception result is displayed as N You are in a place where GPS signals cannot be received P 16 Receive GPS signals in a place where GPS signals can be easily received P 16 GPS signals have been received successfully the reception result is displayed as Y but the time and date are gained or lost when the reception result of time adjustment is...

Page 53: ...e hand is not adjusted even with operation of consult the retailer from whom the watch was purchased P 44 P 45 The 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 If the energy stored in the watch is insufficient the automatic time adjustment function may be activated once in 3 days...

Page 54: ...ch was purchased P 44 The watch temporarily gains or loses time The automatic time adjustment function has not been activated for a few days If the energy stored in the watch is insufficient the automatic time adjustment function may be activated once in 3 days To adjust the time immediately carry out manual time adjustment P 27 P 26 The watch received an incorrect time due to external factors err...

Page 55: ...but the date is incorrect The preliminary position of the date is out of alignment This problem occurs when the preliminary position of the date is out of alignment due to external influence etc Adjust the preliminary position of the date to the correct position 1 the first day of a month P 46 49 Misalignment of day After the reception is successful the time is correct but the day a day of week is...

Page 56: ...ry position of the indicator hand to the correct position P 45 48 Operation The crown or buttons cannot be operated The stored electric power is running short Sufficiently charge the watch until it starts moving at 1 small second intervals P 14 Date is moving right after a setting is carried out by the crown or button operation Wait without doing anything After the date stops the crown and buttons...

Page 57: ...es and automatically starts reception Displays the precise current time of the currently set time zone Manual time zone setting P 23 The time zone of the main dial can be changed Also the time of the sub dial is adjusted by manual time zone selection before use DST Daylight SavingTime setting P 19 The DST Daylight SavingTime of the main dial and the sub dial can be set manually Solar Charging Func...

Page 58: ... 35 C 4 Operational temperature range Between 10 C and 60 C 5 Driving system Step motor hour minute second hands of main dial day display date indicator hand sub dial hour minute 6 Power source Secondary battery 1 piece 7 Duration of operation Approximately 6 months Fully charged and the Power Save is not activated If the Power Save is activated after it is fully charged the watch continues to run...