Casio G-Shock Master black resin GB-B100-8AER digital man watch. Watch with resin case with a diameter of 52 mm and a thickness of 19 mm. Analog and digital dial in black. Clock with automatic calendar, Format 12 / 24 hours, Bluetooth® Smart, Digital compass, Smartphone time, Altitude detection up to 10,000 m, Neobrite, Altimeter data memory, Accumulating altitude detection, Barometer (260 / 1,100 hPa), Thermometer (-10 ° C / + 60 ° C), Steptracker, Sunrise and sunset display, Stopwatch - 1/100 sec - 24 hours, Stopwatch - 1/100 sec - 24 hours, Timer - 1/1 min. - 24 hours, 5 daily alarms, Time function world, Battery level indicator, Key sound on / off, Hand shift function, Dirt-resistant case, Phone search, Shockproof, Location Indicator, Track Log, Auto-lumière LED, Black resin strap with snap lock buckle Water resistance classification (20 bar), co nsigned with original box and official guarantee. bf22