CASIO GA100GGB1A9JF G-SHOCK Black and Gold Series GA-100GGB-1A9JF - Durable Men's Watch with Shock Resistance and Water Resistance by CASIOProduct Highlights Introducing the Black and Gold Series from G SHOCK, which continues to evolve in its pursuit of toughness. The body features a rugged all black design typical of G SHOCK, accented with energetic gold highlights. The GD 010GB 1A9JF has gold vapor deposition on the dial, while the GA 010GB 1A9JF features it on the indices, enhancing the big face design even further. The overall black body combined with the vapor deposition texture