This comprehensive workshop service and repair manual provides all the technical information you need to rebuild or maintain your Casio QW-1978 watch, specifically designed for the 1998 model. This manual covers every aspect of the watch, from its intricate internal mechanisms to its external components. You'll find detailed diagrams, step-by-step instructions, and troubleshooting guides that help you understand each part and its function. Whether you're a seasoned watch repair professional or an enthusiast looking to learn more about your timepiece, this manual equips you with the knowledge to perform repairs confidently and efficiently. The manual includes detailed information on disassembling, assembling, and troubleshooting the watch, as well as a complete parts list. With this manual, you can tackle any repair or maintenance task with ease, ensuring your Casio QW-1978 watch continues to run flawlessly for years to come.