Cal. No. YF20


Introduction for new visitors


Illustrations for explanation may differ from the actual appearance of the watch you purchased but the difference does not result in functional difference.

Terms of use and privacy policy

On the smartwatch

This watch is a smartwatch, which is able to communicate with a smartphone through Bluetooth.

The dedicated app "CITIZEN CONNECTED" is required to connect it with a smartphone.
Download the app from links below and install it on the smartphone.



Distribution condition of the dedicated app for the watch might vary by country or region. This dedicated app is only available in specific countries or regions under the watch sales territory.

About Riiiver

This watch is compatible with Riiiver.
Riiiver is a service which connects a watch to the Internet through the dedicated app on your smartphone.
You can use a watch in more various ways by adding functions utilizing information on the Internet.

Bluetooth® wireless technology

Rules and Regulations

Reading PDFs