CASIO

Pre-owned G-shock Gdf-100-1a Black Sport Men's Watch Twin Sensor

Casio G-Shock GDF-100-1A Black Sport Men's Watch Twin Sensor          12/24-hour format  Accuracy: ±15 seconds per month  Altimeter Measuring range: -700 to 10,000m (-2,300 to 32,800 ft.) without reference altitude Measuring unit: 5m (20 ft.) Others: Reference altitude setting *Changeover between meters(m) and feet(ft.)  Approx. battery life 5 years on CR2025  Full auto-calendar (to year 2099)  Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Atmospheric pressure differential pointer *Changeover between hPa and inHg  Button operation tone on/off  Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)  Daily alarms 5 independent daily alarms  Hourly time signal  LED Backlight (Super Illuminator) Selectable illumination duration, afterglow  Regular timekeeping Hour, minute, second, pm, month, date, day  Shock resistant (G-SHOCK)  Thermometer Display range