GM-B2100BD-1A | CASIO,Casio Watch G-Shock Gm-B2100Bd-1Ajf Men'S Full Metal/Mobile Link Machine Black | eBay,GMB2100BD-1A,CASIO G-SHOCK GM-B2100BD-1AJF FULL METAL Black Bluetooth Solar Watch Men's,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 : Clothing, Shoes & Jewelry