Casio has brought its MTG-B4000B-1A to the US market at $1,500, following its Japan debut last month. The premium G-Shock features a carbon and stainless Dual Core Guard structure developed with AI-assisted stress simulation, WiFi 6-class sapphire crystal display, Triple G Resist ratings, Tough Solar charging, Bluetooth app pairing, and Multiband 6 radio calibration.