7T84 - Quartz watch SEIKO - Free user manual and instructions

USER MANUAL 7T84 SEIKO

TROUBLESHOOTING SPECIFICATIONS. # For the care of your watch, see TO PRESERVE THE QUALITY OF YOUR WATCH in the attached Worldwide Guarantee and Instruction Booklet. HSITONI

M TIME mode Time is indicated by the hour, minute and small second hands. M YACHT TIMER mode Yacht timer combines the functions of a count down timer and a stop watch that starts operating automatically when the timer finishes counting down. This function is particularly useful in yacht racing. 5-, 6- & 10-minute preset timers are available. M _TIMER mode The timer can be set to a maximum of 15 minutes in 1-minute increments. M STOPWATCH mode The stopwateh can measure 12 hours in 1/5-second increments. When the measurement reaches 12 hours, the stopwatch automatically stops. M ALARM mode + Single time alarm: sounds only once at a designated alarm time within 12 hours. + Regular alarm: set to sound at a designated time everyday on a 12-hour basis. M LOCAL TIME mode The time in another time zone area can be shown in 1-minute increments, offering a dual time display. DISPLAY & BUTTONS Center hand Mode indicator ys1fBuz

a: Normal position b: First click mode selection, date setting €: Second click time setting, hand position adjustment Small watch + Some models may have a screw lock type crown. lf your watch has a screw lock type crown, refer to SCREVV LOCK TYPE CROWN.

• The illustrations in the following sections of this manual may be simplified for the purpose of explanation

+ Some models may have a screw-lock mechanism that can securely lock the crown by screw when they are not being operated. + _Locking the crown will help to prevent any operational errors and enhance the water resistant quality of the watch. +_itis necessary to unlock the screw lock type crown before operating it. Once you have finished operating the crown, make sure to relock it. © How to use the screw lock type crown Keep the crown securely locked unless you need to operate it. & {How to unlock the screw lock type crown] Turn the crown counterclockwise. The crown is unlocked and can be operated. IHow to lock the screw lock type crown] Once you have finished operating the crown, turn it clockwise while gently pressing it in toward the watch | body until it stops. \ “When locking the crown, turn Ît slowly with care, ensuring that the screw is properly engaged. Be careful not 10 forcibly push it in, as doing so may damage the screw hole in the case.

CROWN WITH DRIVING WHEEL

+ Some models may have a crown with a special structure as illustrated below. Refer to the following instructions when operating this type of crown, as it should be operated in a different way from that of ordinary ones. Normal position Second click position First click position | | (1.2

Driving wheel To pull out the crown, pull out the A portion (crown). To turn the crown, turn the B portion (driving wheel).

MODE CHANGE Mode indicator ® ŒROMMD Puit out to first click.

Press to set the mode indicator E) @ pointing at your desired mode. ŒMMD Vr°" completion of selecting the desired mode, push back in to normal With each press of button À, the mode indicator turns in the following order to show the selected mode. YACHITIMER mode YACHTIIMERmode YACHTTIMERmode 2 {5-minute timer) (6-minute timer) (10-minute timer)

TIME MODE Æ © Time setting procedures include hand settings of the main watch and small watch to the current time. © The hands should be correctly aligned to the 0 posi before starting to set the time. If they are not correctly aligned to the 0 position, it is necessary to correct their alignment before setting the time. To correct the hand alignment, refer to HAND POSITION ADJUSTMENT. © How to set the time (main watch and small watch) GB 4! out 10 second click when the

Small second hand small second hand is atthe 12 o'clock position. The small second hand will stop on the spot. + Ifthe crown is pulled out while the timer or stopwatch is measuring time, the measurement will be forcibly terminated and the timer or the stopwatch will be reset. Hour hand Small watch Minute hand “CROUN.

Turn to set the time of the main watch. “The moment the date changes is midnight. When setting the hour hand, be sure that AM/PM is set correctiy. + While doing so, set the minute hand 4 to 5 minutes ahead of the correct time, and then slow move it back to the exact minute(s). Press to set the time for the small watch. With each press of button B the small watch hands will advance 1 minute. Pressing and holding button B will advance the small watch hands rapidiy. Upon completion of all settings, push back in to normal position imultaneously with a time signal.

|, e Le © How to set the date YACHT TIMER MODE 5 œ Æ + Date setting should always be carried out after the time is correctly set. + Yacht timer combines the functions of a count down timer and a stop watch + Manual date adjustment is required on the first day after a month that has that starts aperating automatically when the timer finishes counting down. g° less than 31 days: February, April, June, September and November. This function is particularly useful in yacht racing. GP Fu out to first click. © Yacht timer operation + There are 3 pre-set yachting timer modes: 5-minute, 6-minute and 10-minute timers. + Upon activating the yacht timer function, the selected yacht timer starts nou Tu lock be d counting down in 1-second increments. urn clockwise to set the date. + The remaining ndicated by the center hand and the two hands & Wie you are setting the date, do not of the small watch, which turn counterciockwise while the yacht timer is & press either button À or B, as pressing mu button À or & while the crowmn is at counting down. the first click position can change + When the yacht timer finishes counting down, the beep will sound the more and êhe settings in some indicating that time is up and the measurement is automatically switched modes. to the stopwatch.

• Do not set the date during any time , , between 9:00 PM. and 1-00 A M + The stopwatch can measure 12 hours in 1-second increments. When the Date setting during this time period measurement reaches 12 hours, the stopwatch automatically stops. may cause failure of date change on the following day. GRO rush back in to normal position.

+ The illustration below shows the operation of yacht timer using a : 5-minute yacht timer as an example. © How to use the yacht timer 5 œ L Pull out to first click. ER Yacht timer stats Stopwatch automaticaly starts when the timer Star/stop … (CROMN) £ button A finishes counting down. @ Y E 500 NO ® Press to set the mode indicator Yacht timer operation | Yachttimer | Stopwatch re pointing at your desired yacht timer. u Afier 12 hours. the siopwatch Æ lapsed time automatically stops. so 1 romatieay top ae am Push back in to normal position. 7 ° Press to start the yacht timer.

• In à yacht race, start the yacht timer Roset simullaneousiy with the warning signal The operation method of the yacht timer is the same $ that of the timer in the TIMER mode. <TIMER OPERATION»

• | Yacht timer can be reset only when the timer is stoppecl

© How to read the yacht timer measurement + _ The center hand indicates the remaining minutes and the long hand of the small watch indicates the remaining seconds. When the remaining time is shorter than 60 seconds, the center hand also begins to countdown in one second incerements. Example: Display when the remaining time is 4 minutes and 35 seconds n a 5-minute yacht timer measurement Center hand: 4 minutes Numbers on the outer circle indicates the remaining minutes of the timer. Long hand of the small watch: 35 seconds © Automa:

relay function of the stopwatch When the yacht timer finishes counting down, the measurement is automatically switched to the stopwatch. The stopwatch can measure 12 hours in 1-second increments. When the measurement reaches 12 hours, the stopwatch automatically stops. Measured time is indicated by the center hand and the hour and minute hands of the small watch. Split time measurement is possible. © How to reset the yacht timer To reset the yacht timer, it is necessary to stop the stopwatch. While the STOPWATCH hands are moving

1. Press button À to stop the stopwatch.

2. Press button B to reset the yacht timer.

While the STOPWATCH hands are stopped {When the stopwatch is stopped]

1. Press button B to reset the yacht timer.

{When the split time measurement is displayed while the stopwatch is measuring]

1. Press button B to fast-forward the stopwatch hands. Subsequently the

stopwatch hands return to the ongoing measurement movement.

2. Press button À to stop the stopwatch.

3. Press button B to reset the yacht timer.

{When the split time measurement is displayed and the stopwatch is stopped.]

1. Press button B to fast-forward the stopwatch hands. Subsequently the

stopwatch hands will stop.

2. Press button B to reset the stopwatch.

mm Yscht timer finishes counting down Stopwatch automatically starts. sgp RES <ACCUMULATED ELAPSED TIME MEASUREMENT FOLLOWING YACHT TIMER» mm Faoht timer finishes counting down @ ® nes — Stopwatch automaticalÿy starts. S@p RESTART SIP REGT “Restar and stop can be repeated as many times as required by pressing button À.

<SPLIT TIME MEASUREMENT FOLLOWING YACHT TIMER>

mm Yacht timer inishes counting dou. RÉLEACE “Measurement and release of the split times can be repeated as many times as required by pressing button 8.

Yacht timer mode features a restart setting function, which enables you to restart the measurement correctly and easily after an interruption during the stopwatch measurement. This function is particularly useful when you have to restart after a premature start in a yacht race The restart setting function can be used anytime while the stopwatch is measuring following the yacht timer counting. Pressing button À for approximately 2 seconds will activate the restart setting function. Restart of the measurement will be made at regular intervals from the initial start of the measurement. The intervals between the initial start of the measurement and the subsequent restarts are automatically decided according to the selected yacht timer which had finished its counting before the stopwatch had started. ys1fBuz

: When the restart setting function is activated during the stopwatch measurement after the 5-minute yacht timer finishes counting down , and 4 minutes has elapsed since then. Yacht timer starts. (button A) Yacht imer operation 500" intervat 500" elapsedr Elapsed time for Reep pressing Burton À 2 Seconds {Timer restarts.) Stopwatch start. Stopwatch restarts. 500" interv 500" interva=y=5"00" intervatn Stopwatch Stopatch 00” elapsed” Timer starts from 1'00° to go. + For actual yacht racing, the restart setting function can be used in 5 minute yacht timer measurements as follows: <Example of use of the restart setting function in racing where the time from the warning signal to start signal is defined as 5 minutes, and the time from the start signal to restart signal is defined as 10 minutes> iaming signal Start signal General recal signal Restat signal Race proceedings L D < minutes rer ser |, À minutes after Start» esp press Buton À or 2 scéonds Timer restarts.) Yacht timer start. {button A Stopwatch starts. Stopwatch restarts. 500° 5:00” interval —intenal Yacht timer operation Stopwatch Stopwatch 500" elapsed "30" el FPE 7307 elapsod Timer starts Elspsed time from 2'30" to go.

TIMER MODE + The timer can be set to a maximum of 15 minutes in 1-minute increments. + The remaining time is indicated by the center hand and the two hands of the small watch, which turn counterclockwise while the timer is counting g that + When the timer finishes counting down, the beep will sound indica the time is up. © How to use the timer Press to set the mode indicator pointing at the TIMER mode. Press to set the center hand to show your desired timer time.

• With each press of button B, the center hand moves one minute forward, adding one minute to the timer time. + The numbers on the outer circle " . of ie dial ndieated by the center ff Push back in to normal position. hand shows the timer time. (The ï short hand of the small watch Now the timel Also indicates the timer time.) ready for use.

• If you press button B once again after the timer time is set for 15 minutes, the timer time returns to one minute.

• The set timer time will be retained even if the TIMER mode is changed to another mode. <TIMER OPERATION»

STOPWATCH MODE + The stopwatch can measure up to 12 hours in 1/5-second increments. When the measurement reaches 12 hours, the stopwatch automatically stops. + Measured time is indicated by the center hand and the two hands of the small watch + Splittime measurement is possible. © How to reset the stopwatch While the STOPWATCH hands are moving

1. Press button A to stop the stopwatch.

2. Press button B to reset the stopwatch.

While the STOPWATCH hands are stopped [When the stopwatch is stopped]

1. Press button B to reset the stopwatch

{When the split time measurement is displayed while the stopwatch is measuring.]

1. Press button B to release the split time display and return to the ongoing

measurement movement.

2. Press button A to stop the stopwatch

3. Press button B to reset the stopwatch

{When the split time measurement is displayed and the stopwatch is stopped.]

1. Press button B to release the split time display.

2. Press button B to reset the stopwatch.

STOPWATCH OPERATION <STANDARD MEASUREMENT> = D—® Ë

• Restart and stop can be repeated as many times as required by pressing button A.

<SPLIT TIME MEASUREMENT

• Measurement and release of the split times can be repeated as many times STOPWATCH minute hand as required by pressing button B.

<MEASUREMENT OF TWO COMPETITORS>

ser FMSNMME 20 Sue RESET

OST COMPEMTOR OF AND

- ALARM MODE <Single-time alarm> + The single-time alarm is set in the TIME mode. + The single-time alarm sounds only once at a designated alarm time and it is automatically disengaged. + The alarm time can be set within 12 hours from the current time in 1-minute increments. <Regular alarm> + The regular alarm can be set to sound at a designated time everyday. + The regular alarm is set in the ALARM mode. & + The set alarm time can be used as many times as required. + You can preview the alarm sound by using the sound demonstration function. Mode indicator Singie-time alarm TIME Setrable OFF ALARM Unsetrabie

• The single-time alarm can be used only in the TIME mode.

© How to use the + The single + The single-time alarm time can be set wi

• The two hands of the small watch show the single-time âlarm time. ime alarm is used in the TIME mode. in 12 hours from the current time. ys1fBuz Pull out to first click. Press to set the mode indicator pointing at the TIME mode. Push back in to normal position. Press to set the small watch to show & your desired single-time alarm time. + With each press of button B the small watch hands will advance 1 minute. Pressing and holding button E will advance the small watch hands rapicly. After completing the setting, wear the watch as it i

© How to stop the single-time alarm manually while sounding 5 The single-time alarm sounds for 20 seconds at the designated time. To stop the single-time alarm manually while sounding, press either button À or B.

• The single-time alarm will be automatically canceled once it sounds at the designated time. © How to change or cancel the single-time alarm Press button B to change the single-time alarm setting. Keep pressing button B to fast-forward. To cancel the single-time alarm, chose either of the following two methods. + Press button B to set the alarm time to the current time. The easy way to do this is to keep pressing button B to fast-forward the small watch hands & which will automatically stop when they reach the current time, and then release the button B. + Change the TIME mode to another mode.

© Regular alarm + The regular alarm is used in the ALARM mode. + The regular alarm can be set on a 12-hour basis. The two hands of the small watch show the regular alarm time. GR Pui out to first click. Press to set the mode indicator pointing at the ALARM mode. Press to set the small watch to show your desired regular alarm time. + With each press of button B the small watch hands will advance 1 minute. Pressing and holding button & will acvance the small watch hands rapicly.

• The regular alarm can be set on à 12-hour basis. © CROWN Upon completing the alarm setting, push back in to normal position. + IFthe crown remains at the first click, the alarm does not sound. ys1fBuz

© How to stop the regular alarm manually while soun The regular alarm sounds for 20 seconds at the designated time. To stop the regular alarm manually while sounding, press either button À or B. © Sound demonstration function (Alarm sound pre @ GOMMD pui out to first click. wi) Press to set the mode indicator Y pointingatthe ALARM mode. © CROWN. Push back in to normal position.

@® Press for longer than 2 seconds. The alarm sound can be heard while button À is kept pressed.

+ _ The small watch can be set to show the time in another time zone. + _ Two different times can be shown at the same time using the main watch and the small watch as a dual time display. © How to set the local time S® GR Fu out to first click. @ Press to set the mode indicator pointing at the LOCAL TIME mode. Y * The small watch shows the current time.

Press to set the local time. “With each press of button B the local time hands will advance 1 minute. Pressing and holding button 8 will advance the local time hands rapid. “The local time can be set on à 12-hour basis. “The small watch shows the time in another time zone.

BATTERY CHANGE C2 3 The miniature battery which powers your watch should last approximately 3 years. However, because the battery is inserted at the Years factory to check the function and performance of the watch, its actual life once in your possession may be less than the specified period. When the battery expires, be sure to replace it as soon as possible to prevent any malfunction. For battery replacement, we recommend that you contact an AUTHORIZED SEIKO DEALER and request SEIKO SR927W battery. *__ Ifthe yacht timer is used more than 6 hours per week, the timer is used more than 15 minutes per day, the topwatch is used more than 60 minutes per day and the alarm sounds more than 40 seconds per day, he battery te may be less than the speciied period.

© Battery e indicator When the battery nears its end, the small second hand moves at two- second intervals instead of normal one-second intervals. In that case, have the battery replaced with a new one as soon as possible. ys1fBuz

• The watch remains accurate while the small second hand is moving at two-second intervals. © Do not remove the battery from the watch. © lfitis necessary to take out the battery, keep it out of the reach of chil child swallows it, consult a doctor immediately. & (À CAUTION © Never short-circuit, tamper with or heat the battery, and never expose it to fire. The battery may burst, become very hot or catch fire. © The battery is not rechargeable. Never attempt to recharge it, as this may cause battery leakage or damage to the battery.

NECESSARY PROCEDURE AFTER BATTERY

CHANGE After the battery is replaced with a new one, or when an abnormal display appears, follow the procedures below to reset the built-in IC. The watch will resume its normal operation.

© HOW TO RESET THE IC

1. Pull out the crown to the second click.

2. Press button À and B at the same time.

3. Push the crown back in to normal position and check if the hands move as

{mode indicator, center hand, hands of the small watch) + Hand position adjustment is a procedure required when the hands are not correctiy aligned for use in the STOPWATCH or TIMER functions, or after the battery is changed or the built-in IC is reset. For example, when the hands are not pointing to the 0 position even after the stopwatch is reset. After hand position adjustment is carried out, it is necessary to set the time. © How to adjust the positions of the mode indicator, center hand and the hands of the small watch

GB PU out to second click. The small second hand will stop on the spot. + Ifthe crowm is pulled out while the timer or stopwatch is measuring time, the measurement wil be forcibly terminated and the timer or the stopwatch will be reset ys1fBuz

Center hand Keep pressing for approximately 5 seconds. The small watch hands start moving.

Press to set the small watch hands to 12 o'elock, which is the initial position of the small watch hands. Keep pressing to fast-forward.

Press to turn the center hand a full le. Press to set the center hand to the 0 position. Keep pressing to fast-forward.

Press to turn the mode indicator a full circle. Press to set the mode indicator pointing at the TIME mode, which is the initial position of the mode indicator. Keep pressing to fast-forward. + Set the mode indicatar exactly pointing at the dot marker. Mode indicator dot marker- Upon completion of all settings, push back in to normal position.

TROUBLESHOOTING Trouble Possible causes Solutions The watch stops operating. The battery has run down. The small second hand moves in 2-minute increments. ‘The battery nears its end. Have the battery replaced with a new one immediately by the retailer from whom the watch was purchased. The watch temporarily gains or loses | The watch has been left or worn in extremely time. high or low temperatures. Return the watch to a normal temperature so that it works accurately as usual, and then reset the time. The watch has been adjusted so that it works accurately when it is worn on your wrist under a normal temperature range between 5 °C and 35 °C. The watch has been left close to an object with a strong magnetic field. Correct this condition by moving and keeping the watch away from the magnetic source. If this. action does not correct the condition, contact the retailer from whom the watch was purchase. You drop the watch, hit it against a hard surface, or wear it while playing active sports. The watch is exposed to strong vibrations. Reset the time. If the watch does not return to its normal accuracy after resetting the time, contact the retailer from whom the watch was purchased. The STOPWATCH hands do not return 10 the 0 position when the stopwatch is reset The watch has been affected by magnetism or exposed to strong shocks or vibrations. Adjust the positions of the mode indicator, center hand and two hands of the small watch, and then reset the time. Follow the instructions in HAND POSITION ADJUSTMENT and TIME MODE. Moisture has entered the watch because the The inner surface of the glass is clouded. gasket has deteriorated Contact the retailer from whom the watch was purchased. The date changes at 12 o'clock noon. AM/PM is not properly set. Advance the hour hands for 12 hours to correetly set the time and date.

• In the event of any other problem, please contact the retailer from whom the watch was purchased.

SPECIFICATIONS Frequency of crystal oscillator Loss/gain (Monthly rate) Driving system Display system Time

32,768 Hz (Hz = Hertz..Cycles per second) Less than 15 seconds when used on the wrist within normal temperature range (5 °C -35 °C) Between -10 °C and +60 °C Step motor 4 pieces Hour, minute and small second hands in 1-second increments Center hand: 1-minute and 1-second increments {when the rémaining time is less than 1 minute) exclusively for timer Small watch: 1-second increments Center hand: 1/5-second increments Small watch (hour and minute hands): 1-minute increments Small watch : Regular alarm time Small watch : Local time in 1-minute increments SEIKO SR927W, 1 piece Approximately 3 years If the yacht timer is used less than 6 hours per week, the timer is used less than 15 minutes per day, the stopwatch is used less than 60 minutes per day and the alarm sounds less than 40 sec- onds per day, C-MOS-IC: 1 piece “The specifications are subject to change without prior notice for product improvements.