Love the orignial G-Shock GA-2100 range but found the 45mm case size too much? Then worry no more, we have you covered with the new more wearable 43mm G-Shock GMA-S2100 range. We are proud to introduce our G-Shock CasiOak Mini GMA-S2100 collection. Suitable for women, men, or any watch enthusiast with slender wrists.