Citizen U680 Abbreviated Instruction Manual

An abbreviated instruction manual for the Citizen U680 solar-powered watch, covering charging, time setting, and world time functions.


Citizen U680 Abbreviated Instruction Manual - cover page
Brand
Citizen
Category
Watches
Document type
User Manual
Language
English
Pages
4
File format
PDF
File size
534 KB
Published
14 October, 2026
Updated
14 October, 2026
Model
U680
MD5 checksum
9CF2BAFE7C1A8430C86484B232AFA57D

About this manual

This document serves as an abbreviated instruction manual for the Citizen U680 solar-powered watch. It provides essential information on how to charge the watch by exposing the dial to light, change modes, set the time and calendar, check the power reserve, and receive time signals. The guide also details how to adjust settings for world time, summer time, and other specific functions.

What's inside

  • Changing the mode
  • Using LED lights
  • Component identification
  • Checking the power reserve
  • Checking the signal reception result
  • Setting the area of the home time
  • Receiving the signal manually
  • Setting the reception time
  • Setting summer time
  • Setting the time and the calendar manually

Specifications

Power SourceSolar-powered
Signal Reception Time2:00 AM
Time Zones44 areas and UTC
Signal Reception Duration2-15 minutes

Frequently asked questions

How do I charge the watch?

Expose the dial to light and use it sufficiently charged.

When does the watch receive time signals?

The watch receives the time signal at 2:00 AM every day.

How long does manual signal reception take?

It takes 2-15 minutes to finish reception.

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