The Casio G-SHOCK GA-2100-2A2 combines the iconic octagonal "CasiOak" design with a fresh blue colorway for a bold, modern look. Built with G-SHOCK's Carbon Core Guard structure, this lightweight yet rugged watch is designed to handle everyday wear and extreme conditions while maintaining a slim profile. It features both analog and digital displays, 200-meter water resistance, world time, stopwatch, countdown timer, five daily alarms, and a bright double LED light for excellent visibility. The GA-2100-2A2 uses a carbon and bio-based resin case and strap, weighs approximately 51 g, measures 48.5 × 45.4 × 11.8 mm, and offers an estimated 3-year battery life.
