Watch by G-Shock, Rubber strap and case, Digital movement, Inbuilt microlight, Stopwatch and alarm functions, Pin buckle fastening, Single keeper, 2ATM: water resistant to 20 metres (65 feet). The ultimate tough watch, G-Shock was born out of a developers dream of creating a watch that never breaks. Original G-Shock designs were driven by the Triple 10 concept, which looked to develop a watch with 10-meter free-fall endurance, 10-bar water resistance and a 10-year battery life. Known for their super cool collaborations and dynamic designs, G-Shock watches have gained a cult following since their introduction in 1983.