Casio G-SHOCK Minimal Design GD-B500-7JFProduct Highlights Introducing the GD B500 from the G SHOCK tough watch series, which has been evolving relentlessly since its debut in 1983. This model features a minimal design achieved through downsizing, catering to the demands of the modern era. The digital GD B500, compact and slimmed down for toughness, aims for a futuristic image by eliminating excess. With a case diameter of 46. 341. 5mm and a thickness of 11mm, it is significantly smaller