Casio Men's G-SHOCK MTG-B3000 Series Metal Band Watch MTG-B3000BD-1AJFProduct Highlights The MTG B3000 features a carbon reinforced resin case that protects the module and evolves the "Dual Core Guard Structure" with metal parts covering the exterior. The stainless steel back cover is intricately shaped through multiple processes of pressing, cutting, and polishing to achieve a three dimensional complex form. By incorporating functions such as lug fixation, guard rails, and button guards into the back cover, a