Cal. No. YF20YF20
December 4, 2024
Thank you for using the YF20 watch.
The notification problem, which we noticed on August 26, was fixed.
If you use a YF20 watch with an Android device, update the dedicated app to version 5.1.14.
We are very sorry for inconvenience.
We will keep trying to improve your experience with the product.
Thank you for your continued support of YF20.
August 26, 2024
Thank you for using the YF20 watch.
A problem has occurred on some models of Android devices and notifications do not reach the watch.
Very sorry for inconvenience.
Now we are carrying on investigation of the cause of the problem and fixing it.
We will announce as soon as it is fixed. Wait for a while for the announcement. Thank you in advance for your cooperation.
July 24, 2024
Thank you for using the YF20 watch.
Following the schedule below, we will update the dedicated app “CITIZEN CONNECTED”.
Date:
July 24, 2024
Update details:
- Addition of an iiidea “Train departure time”
- Fixing small bugs
Thank you in advance for your continued support of YF20.
May 15, 2024
To keep our CITIZEN CONNECTED services safe and secure, we will stop supporting Android 8 and older versions .
If you are using Android 8, please update your device to a newer version of Android OS. We apologize for any inconvenience but we appreciate your help and understanding.
Please note that we will no longer be able to guarantee the functionality of our services on Android 8 devices after the end of support. Additionally, we may terminate access to our services for Android 8 users without prior notice.
Thank you for your continued support of CITIZEN Watch.
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.
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 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.
December 14, 2022
On December 15, A wholly new-designed CITIZEN CONNECTED app will be released.
Various contents are added to make the app more enjoyable.
System requirements of the new app:
· Android OS: 7.0 -
· iOS: 15.0 -
The older versions than above got out of support. Very sorry for that.
Your Riiiver settings are reset on the new app.
Execute your settings related with Riiiver again. Very sorry for inconvenience.
We hope you enjoy the new app and 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 29, 2022
Thank you for using Riiiver.
“WorldCup” becomes selectable on the iiidea [SPORTS LIVE] on Riiiver.
Logout once on the dedicated app you use and login again before using the newly selectable item.
For information of Riiiver, see [Riiiver] on the link below.
We hope you enjoy the new function.
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
· Usage of iiideas
We apologize in advance for any inconvenience this may cause.
March 17, 2022
The following iiideas newly became available on Riiiver.
[SPORTS LIVE]: More sports became selectable.
[Delivery Tracking]: Delivery tracking information of your parcel is indicated.
[Flight Information]: Information of registered flight is indicated.
For information of Riiiver, see [Riiiver] on the link below.
- Executing settings for functions and assigning them to the buttons of the watch
- Customizing the watch face
January 11, 2022
We changed version information on "Requirements for connection" as below:
"Android OS 5.0 - 11.0" -> "Android OS 5.0 -12.0"
"iOS 10.0 - 15.0" -> "iOS 10.0 - 15.3".
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
· Usage of iiideas
We apologize in advance for any inconvenience this may cause.