G-Shock Watch Classic Forgotten Future DW-5600FF-8ER. Travel back to future's past with G-SHOCK retro futuristic designs in metallic silver. Imaginative vintage visions of what the future would hold are projected in the classic DW-5600, the GA-700 and GA-2200 with their iconic large cases, and the octagonal design of the GA-2100. Yesteryear futures in ethereal metallic silver, straight from the pages of classic science fiction, are here and now.