This watch is a CASIO brand watch with radio wave timekeeping function for automatic time calibration. The watch is powered by a solar battery that can be charged by light. However, the watch does not have a corresponding time zone setting for Newfoundland, Canada. The watch is easy to use and has various function indicators, including time, day of the week, and date.
This manual explains how to use the Casio 5089MA1011-ChB solar‑powered watch, covering basic functions such as time and date setting, world‑time selection, alarm configuration and the built‑in stopwatch. It also describes the watch’s radio‑time‑signal reception and how to manage power levels.
Additional sections cover charging procedures, power‑saving modes, troubleshooting common issues, and detailed technical specifications of the watch’s functions and supported time‑signal stations. This manual is written in Chinese.
| Accuracy (no calibration signal) | ±15 seconds per month |
|---|---|
| Calendar system | Full automatic calendar 2000–2099 |
| Power source | Solar cell and rechargeable battery |
| Battery life | Approximately 5 months |
| Automatic signal reception per day | Up to 6 times (5 in China) |
| Stopwatch measurement limit | 23 minutes 59.99 seconds |
| World time zones | 29 cities / 29 time zones |
In alarm mode, press the A button to toggle the alarm on or off; the second hand indicates the current ON/OFF status.