This manual explains the safety precautions for using the Casio 3193/3800 watch, including warnings about scuba diving, battery handling, and skin irritation. It also describes how the watch is powered by a solar cell that charges a built‑in rechargeable secondary battery, and how to keep the device operating reliably.
Detailed instructions cover time and date settings, alarm and timer functions, display and auto‑light operation, and proper care of the case and band. Maintenance advice includes cleaning the band, avoiding salt water, and procedures for battery replacement or band repair through authorized service centers. This manual is written in Japanese.
| Power source | Solar cell charging a proprietary secondary (rechargeable) battery |
|---|---|
| Battery type | 専用の二次電池 (proprietary rechargeable battery) |
Keep them clean, avoid prolonged exposure to seawater, and replace if corrosion occurs.