Casio G-Shock men's watch GA-B2100BBR-1AER
The material of the Casio G-Shock men's watch GA-B2100BBR-1AER watch case is plastic, its color is black, the material of the strap is plastic and its color is black. The diameter of the watch case is 45 mm, its shape is wheel. The glass of the watch is crystal (difficult to scratch), its mechanism is , and its water resistance is 20 atm (200m) (suitable for diving).