Seiko 5R86 Specifications download pdf (Page 16)

English

SPECIFICATIONS

1 Features ........................................... Hour hand, Minute hand, Small second hand, 24-hour

h a n d , Ca l e n d a r d i s p l a y, P o w e r r e s e r v e i n d i c a t o r

Stopwatch: Hour hand, Minute hand, Second hand

2 Frequency of crystal oscillator

......... 32,768 Hz (Hz = Hertz … Cycles per second)

3 Loss/gain

......................................... Within ±15 seconds per month (equivalent to ±1 second per

day) (If the watch is worn on your wrist within normal tempera

ture range between 5 ºC and 35 ºC.)

4 Operational temperature range

........ Between –10 ºC and +60 ºC

Under a low-temperature condition (below 0 ºC), always keep

at least one-sixth of the watch power shown by the power re

serve indicator.

5 Driving system

................................. Spring Drive (Automatic type with manual winding function)

6 Continuous operating time

.............. Approx. 72 hours (Approx. 3 days) *If the power reserve indica-

tor shows the power supplied by the mainspring is full before

starting the watch.

7 IC (Integrated Circuit)

...................... Oscillator, frequency divider, and spring drive control circuit

(C-MOS-IC: 1 piece)

8 Jewels

............................................ 50 jewels

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

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Seiko 5R86 Specifications Page 16