Features

ⓘ Notice


W770 Riiiver

March 19, 2024

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

March 15, 2024

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

March 18, 2024, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

January 23, 2024

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

January 18, 2024

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

January 22, 2024, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

December 12, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

December 5, 2023

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

December 11, 2023, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

November 21, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

November 17, 2023

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

November 20, 2023, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

November 15, 2023

Thank you for using the W770 Riiiver watch.

A new version of the dedicated app for iOS (ver. 2.2.193) will be released on November 22.

For the details of this update including changes of specification, refer to the two notices on October 31.

October 31, 2023

Thank you for using the W770 Riiiver watch.

We decided to change specifications related with the “Light Level” function partially, which gives you graphic indication of power generation amount of the watch, as users of data-backup service of power generation amount have declined.

We will carry on update of the dedicated app according to the change of the specifications.

After the update, past data of power generation amount are removed when you change your smartphone or remove the app.

We are very sorry for inconvenience and thank you in advance for your understanding.


1. Target app

CITIZEN Eco-Drive W770 (dedicated app for W770 Riiiver)

2. Scheduled date for specification changing

Android: October 31, 2023

iOS: November 15, 2023

3. Version of app in which new specifications are implemented

Android: Ver. 2.2.281 or later

iOS: Ver. 2.2.193 or later

4. Changed specifications

Before changing: power generation data are kept on the dedicated app and our management server.

After changing: the data mentioned above are kept on the dedicated app only. Past power generation data is removed when you change your smartphone or remove the dedicated app. Errors may occur when you use “Light Level” on an older version of the app.

*Functions other than above are available as well as those before the change of specifications.

October 31, 2023

Thank you for using the W770 Riiiver watch.

As we noticed on June 8, 2023, on the dedicated app, settings for the filtering function of X (former Twitter) have been unavailable.

This time we decided to change specifications and remove the filtering function on the dedicated app.

By executing notification settings on the X official app, you will be able to get equivalent result as the filtering function gave you.

We are very sorry for inconvenience and thank you in advance for your understanding.


1. Target app

CITIZEN Eco-Drive W770 (dedicated app for W770 Riiiver)

2. Scheduled date for specification changing

Android: October 31, 2023

iOS: November 15, 2023

3. Version of app in which new specifications are implemented

Android: Ver. 2.2.281 or later

iOS: Ver. 2.2.193 or later

4. Changed specifications

Before changing: you can execute filtering settings for notifications from X on the dedicated app.

After changing: the filtering function for notifications from X is removed from the dedicated app. To apply filter to notifications from X, execute related settings on the X official app.

*Functions other than above are available as well as those before the change of specifications.

October 3, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

September 29, 2023

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

October 2, 2023, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

September 26, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

September 21, 2023

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

September 25, 2023, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

September 5, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

September 1, 2023

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

September 4, 2023, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

August 29, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

August 23, 2023

Thank you for using Riiiver.

We will conduct maintenance of the Riiiver server on the schedule below.

Riiiver service may temporarily become unavailable during the maintenance.


Server maintenance period:

August 28, 2023, 10:00 a.m. - 8:00 p.m. (Japan time)


We are very sorry for inconvenience and thank you in advance for your patience.

July 11, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

July 4, 2023

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

July 10, 2023 10:00 a.m. - 10:00 p.m. (Japan Time)

(Depending on conditions, the period may become longer.)


We apologize in advance for any inconvenience this may cause.

July 4, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

June 29, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

June 23, 2023

For server maintenance, Riiiver service will temporarily become unavailable in the days shown below.


Dates and time of the server maintenance:

June 28, 2023 10:00 a.m. - 8:00 p.m. (Japan Time)

July 3, 2023 10:00 a.m. - 8:00 p.m. (Japan Time)

(Depending on conditions, the time may become longer.)


We apologize in advance for any inconvenience this may cause.

June 8, 2023

Setting filtering for notifications from Twitter is currently unavailable on the dedicated app.

Very sorry for inconvenience.

Modify settings on the Twitter app to control notifications from it.

June 6, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

May 26, 2023

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

June 5, 2023 10:00 a.m. - 11:59 p.m. (Japan Time)

(Depending on conditions, the period may become longer.)


We apologize in advance for any inconvenience this may cause.

March 30, 2023

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

March 17, 2023

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

March 29, 2023 10:00 a.m. - 11:59 p.m. (Japan Time)

(Depending on conditions, the period may become longer.)


We apologize in advance for any inconvenience this may cause.

February 16, 2023

Thank you for using Riiiver.

The dedicated app was updated. (Android: Ver. A2.2.280)

With this update, the problem of iiideas “My App (w/ List)”, which was noticed on November 24, 2022 was fixed. Update the dedicated app and execute settings for the iiideas “My App (w/ List)” again.

Thank you for your continued support of Riiiver.

December 14, 2022

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully.

You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

December 1, 2022

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

December 12, 2022 10:00 a.m. - December 13, 2022 11:59 p.m. (Japan Time)

(Depending on conditions, the period may become longer.)


We apologize in advance for any inconvenience this may cause.

November 24, 2022

Thank you for using Riiiver.


The dedicated app for Android currently has a trouble when working with the iiideas “My App (w/ List) 1/2/3/4/5”, with which you can control notifications from the apps you like: currently you cannot use two or more of them at the same time.
*You can use any one of them singly.


Very sorry for inconvenience.
We will announce through the notice of the dedicated app as soon as we fix the problem.


Sorry again for inconvenience.

September 29, 2022

Modified "iOS 13.3 - 15.4" to "iOS 13.3 - 15.7" in "Requirements for connection" of "Compatible smartphones".

August 16, 2022

Thank you for using Riiiver.


From May 30 to August 9 in 2022, the Riiiver “Contact Us” page had a trouble and we did not receive inquiries through the page in the above period.


The trouble is now fixed.
Contact us through the page (https://riiiver.com/en/contact/) again if you gave us any question in that period and still have any trouble.


We are very sorry for inconvenience.

May 24, 2022

Thank you for your patience during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

May 13, 2022

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

May 23, 2022 (Japan Time / whole day)

(Depending on conditions, the period may become longer.)


Unavailable service during the maintenance

· Riiiver service login
· Personalization function (using iiideas)
· iiidea store


We apologize in advance for any inconvenience this may cause.

May 10, 2022

Thank you for using Riiiver.

We have released new iiidea that notify to the watch by selecting any app.
Please download the iiidea from the iiidea store and give it a try.


New iiideas:


1 to 5 are the same functions. You can change the notification behavior of the watch for each iiidea.

Please use this iiidea with app Ver.A2.2.268 (for Android) or Ver.i2.2.189 (for iOS) or later.

Thank you for your continued support of Riiiver.

April 6, 2022

Modified "iOS 13.3 - 15.3" to "iOS 13.3 - 15.4" in "Requirements for connection" of "Compatible smartphones".

March 3, 2022

Modified "iOS 13.3 - 15.1" to "iOS 13.3 - 15.3" in "Requirements for connection" of "Compatible smartphones".

February 22, 2022

Modified "Android OS 9.0 -" to "Android OS 9.0 - 12.0" and "iOS 13.3 - 14.8" to "iOS 13.3 - 15.1" in "Requirements for connection" of "Compatible smartphones".

January 11, 2022

Thank you for your patience today during our scheduled Riiiver maintenance, which has completed successfully. You should now be able to use the service as usual.

Thank you for your continued support of Riiiver.

December 28, 2021

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

January 11, 2022 10:00 a.m. – 3:00 p.m. (Japan Time / 5 hours)

(Depending on conditions, the period may become longer.)


Unavailable service during the maintenance

· Riiiver service login
· Personalization function (using iiideas)
· iiidea store


We apologize in advance for any inconvenience this may cause.

November 2, 2021

Thank you for using Riiiver.

A trouble occurred and iiideas were not displayed correctly on the dedicated app.

The trouble has already been fixed but it may be required that logging out once and logging in the Riiiver service again to recover correct indication.

We are very sorry for bothering you.

November 1, 2021

Riiiver server maintenance finished.

Thank you for using Riiiver.

October 27, 2021

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.


Server maintenance period

November 1, 2021 AM 10:00 – 12:00 (Japan Time / 2 hours)

(Depending on conditions, the period may become longer.)


Unavailable service during the maintenance

· Riiiver service login
· Personalization function (using iiideas)
· iiidea store


We apologize in advance for any inconvenience this may cause.

October 5, 2021

Modified "iOS 13.3 - 14.7.1" to "iOS 13.3 - 14.8" in "Requirements for connection" of "Compatible smartphones".

September 30, 2021

The dedicated app was updated. (Android Ver. A2.2.253)

By this update, it was fixed that the problem of iiideas which need activation-time assignment (such as “Sitting too much?”, “Alarm time”, and “Timer”), which was noticed on August 18, 2021.

In addition, we also fixed problems below.

· The Gmail filtering function cannot be activated when you use two or more Gmail accounts.
· Firmware update of the watch fails on some smartphones.
· Connection may get unstable.

September 21, 2021

The problem noticed on August 18, 2021 was fixed on the dedicated app for iOS (Ver. i2.2.177).
Problem: iiideas which need activation-time assignment (such as “Sitting too much?”, “Alarm time”, and “Timer”) do not work correctly.

Wait a little more for fixing the app for Android OS.
Sorry for inconvenience and thank you for your patience.

September 17, 2021

Modified "iOS 13.3 -" to "iOS 13.3 - 14.7.1" in "Requirements for connection" of "Compatible smartphones".

September 6, 2021

Announcement: Riiiver server maintenance finished.

Thank you for using Riiiver.


As we noticed on August 31, for iiideas using one or more of the Pieces below, you must execute their setting again for their cooperation with services outside before using them.
We are very sorry for inconvenience and taking your time for the resetting.

Pieces which need setting again for cooperation with services outside
· Hue Light Control
· Hue: Control
· Control the Hue lights
· Hue: Off
· Nature: Lighting
· Nature: TV
· Nature: Appliances
· Nature Control: Appliance
· Nature Control: AC
· Nature: AC
· Nature: Conditional A/C
· Honeywell Thermostat
· SmartThings Plug
· SmartThings: Scenes
· BOCCO Talk
· Google Calendar 123
· Send Gmail
· Send Email to ???

  • See below for trademarks and registered trademarks of services cooperated with Riiiver.
    https://riiiver.com/en/trademark/

August 31, 2021

Announcement of Riiiver server maintenance

Thank you for using Riiiver.

For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.

Server maintenance period: September 6, 2021 10:00 AM - 11:00 AM

(Depending on conditions, the period may become longer.)

Unavailable service during the maintenance
· Riiiver service login
· Personalization function (using iiideas)
· iiidea Store


In addition, for iiideas using one or more of the Pieces below, you must execute their setting again for their cooperation with services outside.
We are very sorry for inconvenience and taking your time for the resetting.

Pieces which need setting again for cooperation with services outside
· Hue Light Control
· Hue: Control
· Control the Hue lights
· Hue: Off
· Nature: Lighting
· Nature: TV
· Nature: Appliances
· Nature Control: Appliance
· Nature Control: AC
· Nature: AC
· Nature: Conditional A/C
· Honeywell Thermostat
· SmartThings Plug
· SmartThings: Scenes
· BOCCO Talk
· Google Calendar 123
· Send Gmail
· Send Email to ???

  • See below for trademarks and registered trademarks of services cooperated with Riiiver.
    https://riiiver.com/en/trademark/

August 18, 2021

It was found that some iiideas which need activation-time assignment (such as “Sitting too much?”, “Alarm time”, and “Timer”) have problems.

We are now investigating causes of the problems and trying to fix them.
We will announce as soon as they are fixed. Wait for a while for the announcement.
Very sorry for inconvenience.

June 30, 2021

We placed an important notice about the screen of the dedicated app used for logging in the Riiiver service.