This document is a product manual that explains how to use and maintain the product correctly. It includes usage precautions, function descriptions, and illustrations of precautions. Users are also reminded to ensure sufficient exposure to light for proper operation of the product.
This manual explains important safety precautions, proper handling, and how the watch uses solar power to charge its internal battery. It also details the correct way to set the time, alarms, timers, and auto‑light functions.
Additional sections cover care of the case and band, battery handling, and what to do if the watch is exposed to water or if a child swallows a button battery. Maintenance advice includes cleaning, band replacement, and warranty information. This manual is written in Japanese.