Casio Men's G-SHOCK Carbon Core Guard 20 Bar Water Resistant Watch GA-2200BB-1AJFProduct Highlights Introducing the GA 2200, a tough watch from G SHOCK that continues to evolve in pursuit of ultimate strength. It features the "Carbon Core Guard Structure" for impact resistance. The case material utilizes carbon fiber reinforced resin, surpassing the concept of traditional plastics with its lightweight yet high rigidity. This design protects the internal module from damage and deformation caused by impacts. By enhancing the shock