The Casio G-Shock is a long line of watches specially designed to withstand difficult conditions, most notably mechanical shock and vibrations. Some newer models have a solar battery and all are known for their solid reliability, making these timepieces popular among athletes, military personnel and those in outdoor-oriented fields.
The Casio G-Shock series is also known to have exceptional battery power, with some models claiming up to 10 years battery life on a full charge. Newer models also include atomic clock synchronization, the most accurate time and frequency standards in the world. Most models are water resistant up to 200m. The Frogman Casio G-Shock model, ideal for underwater exploring, features a range of different dive modes to help you down in the deep blue.