GM-B2100GD-9A | CASIO,G-Shock GM-B2100GD-9A full metal octagonal analog-digital in traditional yellow gold - G-Central G-Shock Fan Site,GM-B2100GD-9A,G-Shock Full Metal 'CasiOak' Connected GM-B2100GD-9A – Topper Fine Jewelers,Introducing the Casio G-SHOCK GM-B2100 - Revolution Watch