Casio G-Shock BLUE-GRAY IP MTGB2000YBD-2A Bluetooth Triple G Resist Mens WatchDiscover innovative form and structural beauty MT G timepieces that combine metal materials with the resin used in the first G SHOCK models. The MTG B2000YBD 2A features a Dual Core Guard structure, which protects the module with a carbon monocoque case that seamlessly integrates the case and case back. Surrounded by metal exterior components, this innovative structure offers both lighter weight and enhanced durability. The bezel frame is made with