Casio Digital Watch GG-B100-1AER G-Shock collection. Watch with resin case 52 mm in diameter and 19 mm thick. Analog and digital black dial. Automatic calendar watch, 12/24 hour format , Bluetooth® Smart, Digital compass, Smartphone time, Altitude detection up to 10,000 m, Neobrite, Altimeter data memory, Accumulation altitude measurement, 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, World time function, Battery level indicator, Button sound activation / deactivation, Hand movement function, Dirt-resistant case, Telephone search, Shockproof, Location Indicator, Track Log, Auto-lumière LED, Black resin strap with buckle closure. Water resistance classification (20 bar), c onsigned with original box and official warranty bf22