Seiko 7T82 User Manual

26

English

1

Frequency of crystal oscillator ........

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

2

Loss/gain (monthly rate) .................

±  15 seconds at normal temperature range (5 ºC ~ 35 ºC)

3

Operational temperature range .......

–10 ºC ~ +60 ºC

4

Driving system ................................

Step motor, 4 pieces

5

Display system

Time/calendar ..........................

Hour, minute and small second hands
Date is displayed in numerals.

Stopwatch ................................

STOPWATCH 1/100-second hand (0.1 second/ 360 degrees)
STOPWATCH 1/10-second hand (1 second/ 360 degrees)
STOPWATCH second hand (60 seconds/ 360 degrees)
STOPWATCH minute hand (40 minutes/ 240 degrees)

6

Battery ............................................

SEIKO SR927W, 1 piece

7

Battery life .......................................

Approximately 3 years
If the stopwatch is used for longer than 2 hours a day, the battery
life may be shorter than the specified period.

8

Battery life indicator

9

IC (Integrated Circuit) ......................

C-MOS-IC, 1 piece

*

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