This is the first time the G-Steel connected lineup offers a model with a carbon bezel that is the product of state-of-the-art materials and innovative technology. The black carbon fiber bezel has outstanding shock resistance. Highly scratch-resistant, clear sapphire glass is used for the crystal to enhance readability and appearance. This watch is equipped with Bluetooth that lets it connect with a smartphone via the G-Shock Connected app and receive time information from an internet time server. The functions include Tough Solar in combination with Casio original power-saving technology for a stable supply of power, high brightness LED light illumination, and dual dial World Time. This smartwatch is compatible with iOS and Android mobile devices. The watch has a 54mm black ion-plated stainless steel case, blue dial, blue accents on the case, and a black resin strap that secures with a buckle. The watch is water-resistant to 200 meters.