This is a watch user manual, which introduces the functions of the watch and how to set time, date, etc.
This manual explains how to operate the Casio 3164/3250 watch, covering time and date setting, timer, stopwatch, alarm, and illumination functions. It also provides details on battery replacement and specifications.
The guide includes step‑by‑step procedures for each function, notes on display styles, and safety information about the EL backlight and battery life. This manual is written in Japanese.
| Accuracy | 30 seconds per month |
|---|---|
| Battery type | CR1616 |
| Battery life | approximately 2 years under typical use |
| Timer range | 1 minute to 60 minutes |
| Stopwatch resolution | 1/100 second |
| Backlight type | EL (electroluminescent) panel |
The CR1616 battery should last about two years under normal daily use, including alarm, backlight and function activations.
The watch keeps time with an accuracy of about 30 seconds per month under normal temperature conditions.