PRECAUTION REGARDING CASE BACK PROTECTIVE FILM

If your watch has a protective film and/or a sticker on the case back, be sure to peel them off before using your watch. Otherwise, perspiration getting in under them may rust the case back.

PERIODIC CHECK

It is recommended that the watch be checked once every 2 to 3 years. Have your watch checked by an AUTHORIZED SEIKO DEALER or SER- VICE CENTER to ensure that the case, crown, gasket and crystal seal remain intact.

SPECIFICATIONS

1.

Frequency of crystal oscillator

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

2.

Loss/gain (monthly rate)

Less than 15 seconds at normal temperature

 

 

range (5°C ~ 35°C) (41°F ~ 95°F)

3.

Operational temperature range

–5°C ~ +50°C (23°F ~ 122°F)

4.

Driving system

Step motor

5.

Additional function

Second setting device, date setting device,

 

 

quick-start function, energy depletion

 

 

forewarning function and overcharge

 

 

prevention function.

6.

Duration of life

 

 

Full charge

3 days on average.

 

2-second interval operation

15 hours on average.

7.

Capacitor

Button type capacitor, 1 piece.

8.

IC (Integrated Circuit)

C-MOS-LSI, 1 piece.

*The specifications are subject to change without prior notice, for product improve- ment.

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Seiko CAL. 5Y75 manual Specifications, Precaution Regarding Case Back Protective Film, Periodic Check