G-Shock G-STEEL GSTS130BC-1A3 Street UtilityG SHOCK adds 2 models to the G Steel lineup offering a new type of band and bezel. The bands of these models combine different materials for outstanding strength and wear resistance. The core of the band is resin, the outer surface is CORDURA fabric, which is stronger than nylon, and the inner surface is Tough Leather, which is used for heavy duty work wear. The GST S130BC Series models come with a urethane bezel that is marked with a pattern that