Amazon.com: Casio Men's G-Shock GW-8900A-1 Tough Solar Atomic Watch : Clothing, Shoes & Jewelry,G-SHOCK GA-1100 Gravitymaster Specifications and New Releases - G-Central G- Shock Fan Site,Casio Men's G8900A-1CR G-Shock Black and Blue Resin Digital Sport Watch,Amazon.com: Casio G-Shock GA-2100BCE-1AJF [G-Shock Utility Black Series] : Clothing, Shoes & Jewelry,GA-1100-2A | CASIO,