This document is a technical manual for the Module No. 5086 product, which introduces the features and characteristics of the product.
This manual explains how to set the time and date on the Casio 5086 watch, including the proper crown positions and precautions such as avoiding date changes between 9 PM and 1 AM. It also describes the 24‑hour hand function and the basic operation of the watch.
Additional sections cover water‑resistance ratings, strap material care, temperature and shock limits, battery type and replacement procedures, and general maintenance tips to keep the watch functioning reliably. This manual is written in Chinese.
| Battery type | SR621SW |
|---|---|
| Battery life | ≈ 3 years |
| Accuracy | ±20 seconds per month |
Models marked with WATER RESIST or WATER RESISTANT are rated for 5 BAR, 10 BAR, or 20 BAR depending on the specific version.
No. Changing the date during that period may cause the date not to update correctly at midnight.