Seiko 9R86 Specifications download pdf (Page 22)

●Accumulated elapsed time measurement

1. Make sure that the mainspring is sufficiently wound and the watch is

working.

2. If your watch has screw lock type buttons, unlock them.

　 Refer to "How to use the screw lock type button" on page 59.

3. Start measuring time.

Upon pressing of the START/STOP

button, the chronograph second hand

starts moving and the stopwatch

starts measuring time.

4. Stop measuring time.

At the moment you want to finish the

measurement, press the START/STOP

button again to stop the chronograph

hands. The measured time will be dis-

played.

5. Restart measuring time.

Upon pressing of the START/STOP but-

ton again, the chronograph hands restart

moving from the position they had previ-

ously stopped.

■SPECIFICATIONS

1. Features: 3 hands (hour, minute and small second hands), 24-hour hand, Calendar display,

Time difference adjustment function, Power reserve indicator, Stopwatch: Center chro-

nograph second hand, Chronograph hour and minute hands

2. Frequency of crystal oscillator: 32,768 Hz

3. Loss/gain (monthly average): ± 15 seconds ( ± 1 second per day) (worn on your wrist at

normal temperature range between 5℃ and 35℃)

4. Operational temperature range: between -10℃ and +60℃

Under the low-temperature condition (below0 ℃), always keep at least one sixth of the

watch power shown by the power reserve indicator.

5. Driving System: Mainspring (Self-winding type with manual winding function)

6. Hand movement: Glide-motion hands

7. Continuous operable time: Approx. 72 hours (Approx. 3 days) when the normal time dis-

play function and stopwatch function are used. (If the power reserve indicator shows the

power supplied by the mainspring is full before starting the watch.) Depending on condi-

tions of use, the continuous operable time may become shorter than the above.

8. IC (Integrated Circuit):Oscillator, frequency divider, and spring drive control circuit (C-

MOS-IC): 1 piece

9. Number of jewels: 50 jewels

The specifications are subject to change without prior notice due to product improvements.

8. Reset the chronograph hands.

After stopping the chronograph hands, press the

RESET button to return all the chronograph hands

to the 0 position.

6. Stop measuring time.

At the moment you want to nish the measure-

ment, press the START/STOP button again to

stop the chronograph hands. The measured time

displayed at this time will be the total of the

rst and the second measurement (accumulated

elapsed time).

7. Repeat measuring time cumulatively.

Step 5 and 6 above can be repeated as required.

As you repeat pressing of the START/STOP

button, the measurement will stop and restart

and each elapsed time measurement will be ac-

cumulated.

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Seiko 9R86 Specifications Page 22

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