This is the Casio G Shock Black and Blue Men's Watch GA 2100 1A2. Make a splash with color set against matte black in a special design that pops with neon accents. The octagonal shape and streamlined design of the GA 2100 puts on textured matte black and vibrant neon color for a stylishly cool new look. Hour and minute hands with phosphorescent paint stay visible in the dark to keep you on your game all day and night.