Eco-Drive Bluetooth
Linking with your smartphone

The authentic analogue watch that connects to your smartphone. With light-powered Eco-Drive Bluetooth, worries about cable-charging or replacing batteries are a thing of the past. It’s a whole fun new lifestyle of analogue design plus smartphone connectivity.

Instal the original Eco-Drive Bluetooth app in your smartphone to get call and message notifications, to set the watch alarm and even to get a warning if you’re about to forget your phone somewhere. The possibilities of the analogue watch are expanding.

Eco-Drive Bluetooth Ladies

My Time , My Style


  • Download on the App Store
  • GET IT ON Google Play


My Time,My Style

Linke to my smartphone.Powered by light.My time on my terms. Now. Always.Eco-Drive Bluetooth Ladies.


A timepiece for today’s woman.It’s your life. Live it your way.

In contrast with its modern retro styling, Eco-Drive Bluetooth Ladies links seamlessly with your phone to enable you to live the life you want. It has precisely the functions that busy working women need, with no extra clutter. Whether at work or play, Eco-Drive Bluetooth Ladies will quickly become central to your lifestyle, giving every day added zest and sparkle.

It discreetly notifies you when the people you care about are getting in touch. It reminds you of appointments. It helps locate your phone when you mislay it. Meanwhile light-powered Eco-Drive technology will spare you all the hassle of charging and regular battery replacement.

It’s your time. Spend it how you want.


A modern retro look that fits with any context

With its retro dial and little rounded 33 mm case,
Eco-Drive Bluetooth Ladies brings a note of charm to your wrist.
It’s styled specifically for women.
The design gives you the freedom to be yourself,
making a pleasure of the simple act of checking the time.

  • Retro Modern
  • Round Form
  • 33mm CaseSize

It’s also the perfect size: a A nice visual accent,
it’s still small enough not to snag the sleeve of your blouse.

Line up

Special Movie


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Eco-Drive Bluetooth Ladies incorporates Eco-Drive, CITIZEN’s unique light-powered technology. That means your watch charges itself from sunlight and artificial light as you go about your normal day. You can even check how much power your watch is generating at a glance. Say goodbye to the tiresome rituals of daily cable charging and regular battery replacement.

  • Charges from sunlight
    and artificial light
  • Low power
  • No need for regular
    battery replacement
  • Generated power display
    (Light-Llevel Indicator)

Welcome to effortless, worry-free living.
Goodbye to cable charging and battery replacement.

[ Eco-drive ] Powerd by light、Ecology、Easy To Charge



Go to the home screen of the app and select “Notification.” Switch “Notify” to “On” for the mail and SNS apps whose notifications you want to push to your watch. Use the filtering function to select the people whose calls, texts mail you want alerts for.

  • Incoming call
  • Mail
  • Filtering
  • SNS
  • 15 alarm/
    notification sounds

Go into the official app to check for compatible SNS apps.

At work and in your private life,
never lose touch with the people who matter.

15Sounds Selection Filtering On / Off


Search function

[Smartphone search function]

Pull the crown out two stops and the second hand will point to FIND. Your watch is now tracking down your phone. Your phone will emit a sound to tell you where it is.

[Disconnection Link loss alert function]

When your phone and your watch get more than a certain distance apart, the connection between them is lost—meaning an increased risk of you losing your phone. Your watch will alert you by moving the second hand and emitting a sound. It’s easy to relink the two devices: just push the button at 4 o’clock on your watch for 2 seconds.

  • Smartphone search
  • Link loss alert

Got a bad habit of losing your phone?
Find it easily, and get disconnection alerts too.

Link Loss → Search



From the home screen of the app, select “Alarm” and set the desired time. You can set a maximum of 3 alarms. Go to the “Sound” menu to choose from up to 15 types of sounds.

  • Alarm on/off for individual days
    of the week
  • 15 different
    alarm sounds

Set your watch alarm via your phone
to wake you and remind you of appointments.

15Sounds Selection / Onse、Everyday、Week


Time Sync

[Time sync function]

Connect your watch to your phone to reset the time on your watch to the local time as displayed on your phone.

[World Time function]

Select “World Time” from the home screen of the app and find the time by searching 316 cities worldwide. Change the time on your watch from there.

  • Automatic syncing to smartphone time
    (Time sync function)
  • Time for 316 cities worldwide, including UTC time
    (World Time function)

Resetting the time when you’re abroad is easy.
Smart syncing for cities worldwide.

LocalTime of 316 Citties / PARIS 3:10am TOKYO 10:10am

How to use

Just install the app to get started.

Your new connected life is ready to go.
Just install the official CITIZEN Eco-Drive Bluetooth S app to connect your watch to your phone.
With functions like automatic time correction and notifications,
your watch has never been this convenient.


CITIZEN WATCH Official ApplicationCITIZEN Eco-Drive Bluetooth S

  • Download on the App Store
  • GET IT ON Google Play
Bluetooth CONNECT

The Cal.W770 app “Eco-Drive Bluetooth” does NOT work with this model.

  • Download
    Downloading the official app

    iOS users should download the official app from the App Store. Android users should download the official app from Google Play.

  • Pairing

    Press the “Setting” icon in the app then sync the time on the watch to the time on your smartphone. If you encounter any issues, go to the support page.

  • * The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.
  • * Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.
  • * Google Play and the Google Play logo are trademarks of Google Inc.



Please visit the support page if you have any issues.



Frequently asked questions about watches and their answers