G-Shock is a brand of watches manufactured by Casio, known for its resistance to shocks (e.g. hard knocks and strong vibrations). They were, and continue to be, designed primarily for sports and outdoor adventure oriented activity; for example, practically all G-Shocks have some kind of stopwatch feature, countdown timer, light and water resistance. Recent models have become more luxury and design oriented. History "In 1981 Casio began designing a new kind of wristwatch, based on the "Triple Ten" concept: A minimum of 10 year battery life, 10 bar water resistance, and the ability to withstand the shock of a 10 meter freefall. This resulted in the "Gravity Shock" wristwatch, or G-shock series." The first model, the DW-5000 was released in April, 1983.[LINK: Source:] Carlos Perez, Time-Zone, (August 2002) Traditionally, G-Shock timekeeping displays were exclusively digital, intended to be