G-Shock's new G-STEEL GST-B300 makes its debut with a new Carbon Core Guard structure
The watch's durability is enhanced with a carbon fiber-reinforced resin.
Casio
Casio's latest addition to the G-STEEL lineup doubles down on durability with a Carbon Core Guard structure that brings the rigidity and lightness of carbon fiber to their premium watch line. The carbon fiber-reinforced resin is also used on the front and side button guards to further enhance the watch's shock protection. The watch also features Bluetooth connectivity, a world time function, stopwatch, countdown timer, five multi-function alarms, Tough Solar power, and a battery life of 19 months with the power-saving function activated.
