G-SHOCK Water Resistant Technology,G-SHOCK Water Resistant Technology,Amazon.com: G-Shock Casio Mens Watch - 20 bar Water Resistant, Shock Resistant, Magnetic Resistant, LED Backlight, Timer, Stopwatch, Multi-City Time, ,Amazon.com: G-Shock Casio Mens Watch - 20 bar Water Resistant, Shock Resistant, Magnetic Resistant, LED Backlight, Timer, Stopwatch, Multi-City Time, ,G-SHOCK W.R20 Bar Shock Resist Casio 200m water resistance light world time Mens | eBay