Casio G-SHOCK GA-B2100CT-1A5DR WatchANALOG DIGITAL 2100 Series GA B2100CT 1A5 Introducing the G SHOCK as nature minded as you, made with renewable materials and a focus on sustainability. We start with the GA B2100, which comes with handy functions like Smartphone Link and Tough Solar charging while maintaining the distinctive octagonal form of the GA 2100. Then, we make the key resin components with bio based resin produced from renewable organic resources, which are expected to help