This document describes the features and characteristics of a Citizen Eco-Drive Calendrier solar-powered watch, including time accuracy, suitable temperature range, display functions, other features, and battery life.
The Citizen BU00XX Eco-Drive calendar watch is an analog solar‑powered timepiece that displays time, seconds, date, weekday, month and moon phase. It features a rechargeable battery, low‑battery warning, over‑charge protection and a quick‑start function.
The manual explains how to set the time, date, weekday and moon phase, gives charging guidelines, and warns about overheating during charging. It also lists the watch's operating temperature range and power‑reserve duration. This manual is written in Chinese.
| Model number | 8730 |
|---|---|
| Type | Analog solar‑powered watch |
| Operating temperature range | -10 °C to 60 °C |
| Display functions | Time (hour, minute, second), date, weekday, month, moon phase |
| Battery | Rechargeable battery (1) |
| Low‑battery warning | Flashes each second when battery is low |
| Over‑charge protection | Enabled |
Pull the crown out to the first position, rotate it clockwise to align the hour and minute hands, then push the crown back in.
The watch is rated for use between –10 °C and 60 °C.
A low‑battery warning flashes each second.