Product Description Since Casio invented the first electric calculator in 1957, the company has pioneered digital communication and advanced technology. Among Casio's most significant achievements is the manufacture of the first shock-resistant watch. The Casio G-Shock watch was launched in 1983, designed by a Casio engineer named Keiko Ibe who strived to make a watch that never breaks. Indeed, it never breaks, thus the G-Shock watch is a staple among sports watches.