G-Shock GM-2100: A Metal-Covered Stainless Steel "CasiOak" - G-Central G-Shock Fan Site
GM-S2100BC-1A | CASIO
Amazon.com: Casio GM-B2100GD-9AJF [G-Shock (G-Shock) Full Metal Model with Smartphone Link GM-B2100 Yellow Gold Color Model] Watch Japan Import March 2023 Model : Cell Phones & Accessories
Amazon.com: Casio GM-2100C-5AJF [G-Shock (G-Shock) GM-2100 Cloth Band Model] Men's Watch Imported from Japan Feb 2023 Model green : Clothing, Shoes & Jewelry