At the beginning of the 1980s, Kikuo Ibe was the leading watch designer for CASIO. In 1981 lbe founded a project team with just three members whose aim was to realise his vision of an indestructible watch. Their endeavours were focused on the creation of the Triple 10 concept
. A vast range of materials was tried and tested as the shock resistance of the first prototypes was subjected to the most stringent requirements. But Ibe was still not completely satisfied, as even the hardest metals provided insufficient protection for the digital inner workings of the watches against knocks and other external influences. Despite months of hard work that pushed the team to its physical and mental limits, the goal remained a long way off...
At this time, Ibe was observing children playing in a park when he noticed something: "The internal workings of a bouncing rubber ball remain completely unaffected by impact," he thought. This observation led to his team developing a watch with a hollow design in which the interior module of the watch is stored in a manner akin to floating.
The long and difficult test phase took almost two years to complete. But after continuous optimisation work to the casing and various parts of the watch on more than 200 prototypes, the first shock-resistant G-SHOCK went on sale in 1983. Revolutionary ideas such as a "hollow" case design, all-round protection and cushioning of important parts were the cornerstones of the G-SHOCK’s toughness and were instrumental in realising the shock-resistant design that was to completely change the conventional view of watches and on which every G-SHOCK is based today.