This document describes the features and characteristics of several watch models, including JW0010-52E, JW0030-55E, JW0050-58E, JW0051-55E, and JW0070-51E. It highlights the use of rubber material on the left wrist position to provide a stable grip while using the chronograph function. The watches also come with features such as a rotating aviation slide rule and measurement instruments, with a focus on sports.
This manual describes the Eco‑Drive Super Chronograph watch, its solar‑powered operation, and how to charge it using sunlight. It includes charging time references, battery information, and temperature limits.
It also covers how to adjust the baseline position, switch between modes (chronograph, world time, timer), set the time and date, use the chronograph functions, and handle charging‑warning alerts. Instructions for selecting cities in world‑time mode and configuring the timer are provided. This manual is written in Chinese.
| Battery Count | 1 cell |
|---|---|
| Maximum Chronograph Duration | 23 h 59 m 59.999 s |
| Operating Temperature | up to +50 °C |
| Charging Time (direct sunlight) | ≈30 h |
| World‑Time City Options | 43 cities |
Under direct sunlight the watch needs about 30 hours to reach full charge; longer times are required under lower light conditions.