December 21, 2010 Watch Gonzo Casio, G-Shock, Moon Phase, Reviews, watches A Review of Casio G-Shock GD-100-1BDR GD-100-1BD GD-100-1B Men’s Watch Casio developed the G-Shock brand of watches in 1983 to realize the new concept of a tough watch that would not break even if dropped. Since that time, the... Continue Reading