Casio Digital Watch GA-2100-4AER G-Shock Collection. Clock with resin case with reinforcement in red carbon with a diameter of 45 mm and a thickness of 11 mm. Red digital dial with mineral glass. Clock with double lighting, shockproof, neobrite, world time function, stopwatch - 1/100 sec - 24 hours, timer - 1/1 sec. - 24 hours, 5 daily alarms, hand movement function, activation / deactivation of the key sound, automatic calendar, 12/24 hour format. Red resin strap with buckle closure. Water resistance classification (20 bar), delivered with original box and official guarantee. bf22