Casio G-SHOCK GA-2100-1A2DR WatchFrom G SHOCK, the toughness watches that continue to evolve in search of ultimate strength, this digital analog combination model inherits the concept of the first generation DW 5000C models, while being even thinner. Inherits the octagonal shape that was also used in the first generation DW 5000C model. A combination model developed with a simple design that eliminates waste while maintaining a tough structure. Also achieves a thickness of 11. 8 mm