The world famous Casio watches are manufactured by Casio Computer Company Ltd, a Japanese multinational electronics company which has its headquarters in Tokyo. Casio watches are some of the best time pieces in the world. The Casio Computer Company has launched some truly innovative Casio watches over the years. The popular G-shock watch is one of the most innovative and expensive watches launched by Casio. The Oceanus Manta watch produced by Casio Company is probably the costliest Casio watch in the world. This particular timepiece can set you back by about a thousand dollars. To know more about the most expensive Casio watches in the world, please visit the link that is mentioned below.