Casio G-Shock Instruction Manuals – G-Central G-Shock Download Casio G-Shock instruction manuals by model and module number in PDF format. For older models not listed visit support.casio to search by module number. For languages other than English visit world.casio. The module number can be found engraved on the back case of the watch. It is the number that has a rectangular outline around it.[PDF] Operation Guide 5369 (MTG) - supporto Operation Guide 5369 (MTG) E ENGLISH Congratulations upon your selection of this CASIO watch. x Note that the product illustrations in this manual are intended for reference only, and so the actual product may appear somewhat different than depicted by an illustration.