This manual is the user manual for Casio watches, introducing the functions, usage methods, maintenance and maintenance of the watch
This manual explains how to operate the Casio MO0901-CKA watch, covering button functions, time and date setting, world‑time selection, and hand‑position calibration. It also includes safety notices and warranty information.
Key sections describe solar battery charging, power‑saving behavior, and maintenance tips such as keeping the watch exposed to bright light. A city‑code table lists supported UTC offsets for world‑time features. This manual is written in Chinese.
| Battery type | Solar rechargeable battery |
|---|---|
| Charging method | Solar (requires bright light) |
| Maximum UTC offset support | ±3.5 hours |
The hands stop when the power‑saving function disables them to conserve battery.
Expose the watch to bright light regularly so the built‑in solar cell can recharge the battery.
The watch supports city codes with UTC offsets up to ±3.5 hours.