CITIZEN Eco-Drive Bluetooth S app icon

CITIZEN Eco-Drive Bluetooth S

CITIZEN Bluetooth Watch Official App

CITIZEN WATCH CO.,LTD · jp.co.citizen.cal.w410

Not rated yet 10K+ downloads v1.0.064 21.5 MB Android 7.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v1.0.064 (2000000064)
Updated
Jun 28, 2026 (3 months ago)
APK size
21.5 MB
Requires
Android 7.0+ (API 24)
CPU support
Any (no native code)
Graphics
OpenGL ES 2.0+
Category
Lifestyle (app)
Listed since
Jul 13, 2021 (at least)
Permissions
21 (10 sensitive)
Website
citizenwatch-global.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

CITIZEN Eco-Drive Bluetooth S is an app by CITIZEN WATCH CO.,LTD in the Lifestyle category, listed since at least July 2021. It has no native code, so it runs on any Android processor.

It asks for 21 permissions, 10 of them sensitive, including precise location, read contacts and read call log. It asks for the same permissions as version 1.0.063.

What's new in v1.0.064

・Bug fixes. ・Stability is enhanced.

Description

From the listing uploaded by “appupdater”.

*Important Notice Thank you for using Citizen products. As of 12/31/2027, we will no longer provide service for dedicated apps for some models and functions used in conjunction with the apps. For details, see this link. https://www.citizenwatch-global.com/support/im/smartwatch.html Overview This is the official app for linking your smartphone with CITIZEN Bluetooth® watches. The app, which works with Android models, enables you to set the time and the alarm for your watch, and to receive alerts for incoming calls, mails and texts. With the CITIZEN Bluetooth Watch, you get to enjoy an exquisite analogue watch that tells the accurate time wherever you are, plus the great convenience of a smartphone link. CITIZEN Bluetooth features CITIZEN’s proprietary light-powered technology, Eco-Drive. Eco-Drive eliminates the need to replace batteries or recharge via cable. Features 1. Time Sync Get the right time, all the time. When you connect with your smartphone, the time on your watch automatically updates to the current time (smartphone time). 2. World Time Get the time in any city around the world. Just touch the world map inside the app to set your watch to the locations time (world time). 3. Call Notification Find out when you get a call. The watch emits a sound or rotates the hands to let you know when you get a call. A filter function enables you to specify which callers will trigger alerts. 4. Message Notification Find out when you get a mail, text or SNS notification. The watch emits a sound or rotates the hands to let you know when a new e-mail or SNS notification has arrived. You can also select the apps for which you wish to receive notification alerts. 5. Alarm Set your alarm from your smartphone. You can set up to 3 alarms at one time. By setting your watch alarm using the smartphone app. The alarm can be set for different times and/or different days of the week. 6. Light Level Indicator See how much light—and power—your dial is getting. Find out how much power your watch is generating by tracking the light it’s exposed to on a daily, weekly or monthly basis. This unique function reflects CITIZEN’s status as a pioneer of light-powered technology. 7. Smartphone Search Find your smartphone easily. Misplaced your smartphone? Not a problem. Use your watch to locate your phone by having it emit a sound to indicate its whereabouts. (Range limitations apply.) 8. Link Loss Alert Get alerted when you’ve forgotten your smartphone somewhere. The watch emits a sound or rotates the hands to let you know when the link between your smartphone and your watch is broken. This watch requires Android 7.0 or later. Notifications have the options of 15 different original sounds, exclusively prepared for the W410 model. About Eco-Drive: Eco-Drive is a CITIZEN proprietary light-powered technology which eliminates the need for replacing batteries. Eco-Drive generates power from any kind of light—from sunlight to dim light—to drive the watch, and stores the surplus on a rechargeable cell. On a single full charge it can run for up to six months in total darkness*. For more details, click here. http://www.citizenwatch-global.com/technologies/index.html#eco-drive * Some models run for less than six months.

Version history

3 versions are listed, going back to v1.0.061.

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Jun 28, 2026.
  • Certificate issued to “Citizen Watch” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Jun 28, 2026
  • Validated against Google Play Jun 28, 2026
  • Signed byCN=Daisuke Matsuoh, OU=Advanced Depertment, O=Citizen Watch, L=Nishi-Tokyo, ST=Tokyo, C=JP
  • Signing certificate (SHA-1)A4:EA:09:FC:44:C0:EF:D4:31:B5:3A:31:61:69:7A:60:9A:A9:56:D8
  • File MD589cc0b202c6ce3c52b141dbe288658e6
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (21)

CITIZEN Eco-Drive Bluetooth S requests 21 permissions, 10 of them sensitive.

Required hardware & features

CITIZEN Eco-Drive Bluetooth S APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the CITIZEN Eco-Drive Bluetooth S APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 89cc0b202c6ce3c52b141dbe288658e6.

Tags

More Lifestyle apps