You can find the user manual for your G-SHOCK watch using your module number - the four-digit number of the back of your watch. Simply read it off, type it in and download the instructions.
Is your G-SHOCK watch faulty? No problem, we are only too happy to help. The CASIO website has detailed information that will answer all your questions about repairs.
Register your G-SHOCK here and receive technical support free of charge while the warranty is valid.