Seiko 7T84 Watch User Manual


 
English
40
SPECIFICATIONS
1 Frequency of crystal oscillator ...... ......... 32,768 Hz (Hz = Hertz...Cycles per second)
2 Loss/gain (Monthly rate)
....................... Less than 15 seconds when used on the wrist
within normal temperature range (5 ºC ~35 ºC)
3 Operational temperature range....
.......... Between –10 ºC and +60 ºC
4 Driving system ................................
....... Step motor 4 pieces
5 Display system
Time
.................................................... Hour, minute and small second hands in 1-second
increments
Yacht timer/Timer
............................... Center hand: 1-minute and 1-second increments
(when the remaining time is less than 1 minute)
exclusively for timer
Small watch: 1-second increments
Stopwatch
........................................... Center hand: 1/5-second increments
Small watch (hour and minute hands): 1-minute
increments
Alarm
.................................................. Small watch : Regular alarm time
Local time
........................................... Small watch : Local time in 1-minute increments
6 Battery
.................................................... SEIKO SR927W, 1 piece
7 Battery life
.............................................. 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.
8 IC (Integrated Circuit) .......
...................... C-MOS-IC: 1 piece
* The specifications are subject to change without prior notice for product improvements.
7T84_E.indd 40 07.5.25 11:42:45 AM