The G-SHOCK CASUAL MEN WATCH GA-2000-1A9DR features a carbon core guard structure with a fine resin case reinforced by carbon fiber, offering superior rigidity while remaining lightweight. This design protects the internal module from impacts and deformation. Its two-layer back cover and shock-proof button structure enhance durability without the need for a button guard. The watch showcases a three-dimensional dial and large front buttons, combining advanced shock resistance with a bold, rugged aesthetic ideal for demanding environments.