Step up your style with Casio’s G-Shock GBM-2100A-1A3ER in green and silver. The octagonal stainless-steel bezel frames a textured forest-green dial with analog-digital readouts, Tough Solar power and Bluetooth time sync. A black resin strap and polished hardware keep it rugged yet clean. Shock resistant and 200 m water-ready, it handles city runs and weekend trails with ease. Secure yours now.