This is the Casio G Shock Black and Green Watch DW 5900TS 1DR. Join the eternal G SHOCK quest for the ultimate in toughness now with timepieces that are a study in color and translucence. The color revolution starts with an update of the precision DW 5900, featuring a see through luminescent dial with EL backlight for a pale cool glow that consumes less energy. From the latest street style to robust outdoor fashion, these colorful crossovers stand up to whatever your adventure is.