SPECIFICATIONS

1

Frequency of crystal oscillator

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

2

Loss/gain (monthly rate)

Less than 15 seconds (worn on the wrist at normal

 

 

temperature range 5° C ~ 35° C) (41° F ~ 95° F)

3

Operational temperature range

–10°C ~ +60° C (14° F ~ 140° F)

4

Driving system

Step motor, 2 pieces

5

Display system

 

 

Time

Hour, minute and second hands

 

Date

Displayed in numerals.

 

Stopwatch

Minute and 1/5 second hands

 

 

The stopwatch measures up to 45 minutes in

 

 

1/5 second increments.

6

Additional function

Energy depletion forewarning function and overcharge

 

 

prevention function

7

Duration of charge

 

 

Full charge

Approximately 5 months

 

 

(if the stopwatch is used for 45minutes per day)

 

After the second hand starts moving

 

 

at two-second intervals

Approximately 12 hours (if the stopwatch is not used)

8

KINETIC electricity storage unit

Button type, 1 piece

9

IC (Integrated Circuit)

C-MOS-IC, 1 piece

10

Generating system

Miniature AC generator

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

English

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Seiko CAL. 7L22 manual Specifications