Seiko 7K32 manual Specifications

■SPECIFICATIONS

1.Frequency of crystal oscillator···············32,768 Hz (Hz＝Hertz···Cycles per seconds)

2.Loss/gain (monthly rate)························Lessthan 15 seconds at normal temperature range (5°C～35°C) (Accuracy of the alarm: ±1 minute)

3.Operational temperature range·············－10°C～＋60°C for the watch operation

0°C～40°C for barometer and altimeter functions

4.Driving system·······································Stepmotor, 4 pieces

5.Display system

Time/calendar display··························Hour,minute, second and 24-hour hands (Second hand moves

at one-second intervals)

Barometer display································Barometerhand “1” (moving at 2hPa intervals) and barometer hand “2” (moving at 1hPa intervals)

Atmospheric pressure change indicator.

Alarm display·····································Alarmhour and minute hands Alarm can be set on a 12-hour basis in minutes.

6.Battery···················································Miniaturelithium battery SB-T15, 1 piece

7.Battery life indicator

8.IC (Integrated Circuit)····························-MOS-LST, 1 piece

Semiconductor pressure sensor, 1 piece

9.Accuracy of the pressure sensor

・Measurement error at a stable temperature:

Within ± (change of atmospheric pressure × 3.0%＋4hPa) ・Measurement error under a temperature change of 10°C:

Within the pressure range between 600hPa～1,050hPa: Less than 10hPa

Within the pressure range between 500hPa～600hPa: Less than 12hPa

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

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