To celebrate the 15th anniversary of San Francisco label, Illest, Casio is stepping up with a limited-edition G-Shock watch. Watchmakers decided to pull out the DW-6900 with a white and grey rain camo patterned, grey for the text and backlight button. Limited to only 1000 pieces, the Illest x Casio G-Shock 6900 will be available January 31, 2014 at select retailers, Illest locations and online.