In 1983, Casio launched shock resistant G-shock watch (Gravitational Shock). This is the outcome of dedicated ingenuity to make the world’s toughest watch. Casio G-Shock is produced for a huge demand of advance technology in the industry of watchmaking. G-shock is one of the greatest innovations made by Casio; they come up with another standard for durable and functional watch. Casio G-shock is known for its resistance to shock; it can resist hard collisions and strong vibrations. Technically, G-shock is mainly designed for sports, outdoor adventure and military activities. Moreover, it features several functions such as Shock resistance, Water resistance up to 200 meters, Bluetooth, chronograph, solar power, analogue and digital watch. These variety functions of G-shock make it more popular around the world. Today, Casio continues to innovate with new features that tend to a higher demand in the market.