Seiko KINETIC AUTO RELAY 5J21 User manual
You are now the proud owner of a SEIKO KINETIC®AUTO RELAYTM
Cal. 5J21. For best results, please read the instructions in this booklet
carefully before using your SEIKO KINETIC®. Please keep this manual
handy for ready reference.
Grazie per aver acquistato questo orologio SEIKO KINETIC®AUTO
RELAYTM Cal. 5J21. Per ottenerne i migliori risultati leggere attentamente
le istruzioni di questo libretto prima di passare all’uso dell‘orologio
stesso. Tenere poi il manuale a portata di mano, per ogni eventuale
futura, ulteriore consultazione.
English
2
ENGLISH
✩
For the care of your watch, see “TO PRESERVE THE QUALITY OF YOUR
WATCH”in the attached Worldwide Guarantee and Instruction Booklet.
CONTENTS
Page
FEATURES .................................................................................................................. 3
POWER SAVE FUNCTION .......................................................................................... 4
TIME RELAY FUNCTION ............................................................................................ 6
HOW TO SET THE TIME ............................................................................................ 9
ENERGY DEPLETION FOREWARNING FUNCTION ................................................... 10
POWER RESERVE IN YOUR SEIKO KINETIC WATCH ............................................... 11
REMARKS ON THE KINETIC E.S.U. ........................................................................... 12
ROTATING BEZEL ...................................................................................................... 13
SPECIFICATIONS ........................................................................................................ 14
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FEATURES
If the watch is left unused for 3 days, the
hands stop automatically to conserve the
stored electric energy.
■Power save function
Though the hands stop, the built-
in IC continues to keep the time.
To use the watch again, swinging
it several times will awaken it.
The hands will move quickly to
indicate the current time, and
resume normal operation.
■Time relay function
➡
➡
SEIKO KINETIC AUTO RELAY Cal.5J21 is an analogue quartz watch equipped with an
Automatic Generating System developed by SEIKO. It generates the electric energy to power
the watch, utilizing the movement of the arm, and stores it in the KINETIC ELECTRICITY
STORAGE UNIT (KINETIC E.S.U.). So, the watch does not use a conventional button-type
battery and does not require battery replacement.
Cal.5J21 is an enhanced model of the KINETIC watches and features the power save and time
relay functions to keep the watch operating for up to four years once it is fully charged, even
if it is left unused and no charging is done.
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Manual power save function
The power save function can be activated manually. If you decide not to use the watch
for a long time, use this function to further conserve energy.
POWER SAVE FUNCTION
●If the watch is left untouched for approximately 3 days, the hands will stop moving to
minimize the electrical energy consumed.
●More specifically, the power save function is activated if the generating system of the watch
remains inactive and no charging is done for approximately 72 hours.
●Even if the watch is not worn for more than 3 days, the power save function will not be
activated if the watch senses enough activity to start the generating system working during
the 3 days.
●Though the hands stop, the built-in IC continues to compute the time.
* While the second hand is moving at two-second intervals, the power save function cannot be
activated manually. In this case, charge the watch referring to “ENERGY DEPLETION FOREWARNING
FUNCTION”, and then, follow the procedure below.
➠
➠
CROWN Pull out to the first click.
▼
Push in to the normal position.
* The hands will stop as the power save function
is activated.
* Pull out and push in within one second.
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Note: If your watch has a screw lock type crown, turn the crown counterclockwise to unscrew it, and
then, pull it out. After using the crown, push it back in to the normal position, and then, turn it
clockwise to screw it in completely.
Caution:
Do not pull out the crown to the second click while the power save function is in
operation. Otherwise, it is turned off, and the time data retained inside the watch
will be erased, thus disabling the time relay function.
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TIME RELAY FUNCTION
●While the power save function is working, the built-in IC continues to compute the time
though the hands have stopped. As a certain amount of electricity is generated by swinging
the watch, the time relay function is activated, and the hands are adjusted automatically to
the time retained inside the watch.
●If the watch is charged fully as the power save function is activated, the time relay function
remains operable for approximately four years.
How to activate the time relay function
●Swing the watch from side to side for 2 to 3 seconds.
Caution:
Do not pull out the crown to the second click before activating the time relay
function. Otherwise, the time data retained inside the watch will be erased,
thus disabling the time relay function.
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Notes:
1. Swing the watch from side to side, making an arc of about 20 cm. Swing 4 to 6 times at a rate
of twice a second.
2. No additional benefit is obtained by swinging the watch longer or with greater vigor.
3. When the watch is swung, the oscillating weight in the generating system rotates to drive the
mechanism. As it rotates, it gives out a sound, which is not a malfunction.
1. The hour and minute hands move quickly to indicate the
current time computed by the IC.
2. The second hand moves quickly to indicate the current
second, and then continues moving at one-second intervals.
●Remarks on using the time relay function
1. When using the watch for the first time after it is purchased, it is necessary to adjust the
time as the watch has been adjusted to the time of the area where SEIKO’s factory is
located.
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2. If the power save function has been in operation for several months before the time relay
function is activated, the time indicated by the hands may include a certain amount of
time loss or gain that has accumulated during those months. Adjust the hands as
required.
3. If the power reserve decreases to an extremely low level while the power save function
is in operation, the time relay function may not be activated by swinging the watch.
Instead, the second hand starts moving at two-second intervals. In this case, set the time
manually, and charge the watch referring to “ENERGY DEPLETION FOREWARNING
FUNCTION”.
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HOW TO SET THE TIME
➠
➠
1. Pull out the crown to the second click when
the second hand is at the 12 o’clock position.
2. Turn the hands to set the desired time.
3. Push back the crown completely in
accordance with a time signal.
Notes:
1. If your watch has a screw lock type crown, turn the crown counterclockwise to unscrew it, and then,
pull it out. After using the crown, push it back in to the normal position, and then, turn it clockwise
to screw it in completely.
2. When setting the time, make sure that the second hand is moving at one-second intervals.
3. When setting the minute hand, advance it 4 to 5 minutes ahead of the desired time and then turn
it back to the exact minute.
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10
ENERGY DEPLETION FOREWARNING FUNCTION
The watch has been charged fully at the factory, and the power save function will keep
the built-in IC computing the time for up to four years. Normally, therefore, it is not
necessary to charge the watch manually by swinging it. If you should find the second
hand moving at two-second intervals, however, charge the watch following the
procedure in “●How to charge the watch”.
●When the second hand starts moving at two-second intervals instead of the normal one-
second intervals, the watch will run down in approximately 12 hours.
●If the second hand starts moving at two-second intervals when the power save function is
turned off by swinging the watch, the power reserve may have become depleted to an
extremely low level.
In those cases, charge the watch following the procedure below.
1. Swing the watch from side to side approximately 500 times.
* Swing rhythmically at a rate of twice a second.
* If the second hand still moves at two-second intervals after the watch is
swung 500 times, swing it further until the second hand moves at one-
second intervals.
2. Swing the watch approximately 200 times further to reserve
one day of power.
●How to charge the watch
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