The first G-Shock was made in the 1983 Casio DW-5000C designed by an engineer working for Casio named Kikuo Ibe. Casio G Shock was created to make a watch that has a 10-year battery life, water resistant to 10 bar, and can survive a fall of 10 meters. Its shock resistant design has 10 layers of protective innards protecting the quartz time mechanism.

Glass	Mineral Crystal
Case Material	Carbon / Resin
Case Color	Black
Strap Material	Resin
Movement	Quartz
Function	2 Hands, Digital
Local Warranty	1 Year
Water Resistant	200m
International Warranty	1 Year
Case Size	48.7mm