Casio G-Shock GWN1000B Master of G Series Quality Watch - Black / One Size
- Radio frequencies: 77.5 kHz (DCF77: Germany).
- 40 kHz (JJY: Fukushima, Japan) / 60 kHz (JJY: Kyushu, Japan).
- Radio wave reception: Automatic reception up to six times a day (except for use in China: up to five times a day).
- Digital compass: Measures and displays direction as one of 16 points with the second hand.
- bidirectional calibration and magnetic declination correction.
- Barometer: Measuring range: 260 hPa to 1,100 hPa (7.65 to 32.45 inHg).
- atmospheric pressure change indicator (10 hPa).
- atmospheric pressure tendency graph (past 20 hours graph display).
- Altimeter: Measuring range: -700m to 10,000m (-2,300 to 32,800 ft).
- altitude change indicator (100 m / 1000 m).
- others: measurement interval setting (every 5 seconds / every 2 minutes) (1 second for first three minutes on.