GW2310FB-1,CASIO G-SHOCK GW-2310FB watch From Japan,Amazon.com: Casio Men's GW2310FB-1CR G-Shock Shock Resistant Multi-Function Watch : Clothing, Shoes & Jewelry,CASIO G-SHOCK GW-2310FB Men's Wrist Watch Digital Black Used item without Box | eBay,G-SHOCK GW-2310 & GW-2320 Specifications and New Releases - G-Central G- Shock Fan Site