G-Shock G-Steel Solar from Casio is a shockproof watch with a carbon bezel that constructed with state-of-the-art material. Not only is the model quite practical but it’s also very fashionable. The bezel is also pretty lightweight. The carbon material gives the watch a very innovative design. Plus, the watch has high waterproof and scratch proof coating, making it durable. Moreover, it is equipped with Bluetooth and can easily connect with your smartphone with just one button.