Introduction
This document serves as the official instruction manual for the Citizen Eco-Drive watch, featuring Model No. BTO *** / Cal. No. E31. It provides comprehensive guidance for users to understand and operate their timepiece effectively.
Key Features
- Eco-Drive Technology: Powered by light, eliminating the need for battery replacement.
- Solar Charging: Utilizes ambient light (sunlight or artificial light) to charge the watch's battery.
- Date Window: Offers a large and highly visible display for the date.
- Perpetual Calendar: Automatically adjusts for month lengths and leap years until February 28, 2100.
- Operational Guidance: Includes detailed instructions on setting the time, date, and managing the watch during periods of inactivity.
About Eco-Drive
The Citizen Eco-Drive system converts light into electrical energy using a solar cell located beneath the dial. This innovative technology frees users from the concern of battery replacement and contributes to environmental friendliness by avoiding battery disposal.
Important Information
Users will find essential information regarding charging the battery, setting the time and calendar, troubleshooting common issues, and important precautions for maintaining the watch's performance and longevity. The manual also details the watch's specifications, including water resistance and operating temperature ranges.
