This comprehensive Service and Repair Manual provides detailed instructions for servicing and repairing the CASIO QW-1940 watch, specifically for the 1998 model. The manual is designed to be a complete resource for technicians and watch enthusiasts alike, offering detailed diagrams, step-by-step procedures, and comprehensive parts descriptions. It covers all aspects of the watch's internal workings, including the movement, case, crystal, strap, and electronics. This manual will help you understand the intricate mechanisms of the QW-1940, troubleshoot common problems, and confidently perform repairs.