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Existing Customers
Existing Customers

Apple Watch is available to O2 Pay Monthly customers with an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6).

New Customers
New Customers

Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.

Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.



Apple Watch Series 3 with cellular

Elevated in every way.

Smart activity coaching. An enhanced Heart Rate app. Your favourite playlists right on your wrist. A built-in altimeter. And a more powerful processor that lets Siri speak to you. Apple Watch Series 3. Now you can be more active, motivated and connected than ever.1

Ultimate Sports Watch

Take your
workouts further.

GPS and Altimeter

See how far and high you go.


Stream 45 million songs with Apple Music right from your wrist.2


Always ready for the pool or ocean.3

Workout App

Track a casual walk, an intense ride and everything in between.

Intelligent Activity Tracker

Three rings.
One goal.

Move, Exercise, Stand

Make closing all three Activity rings your goal each day.

Smart Coaching

A nudge when you need it.

Activity Sharing

Stay motivated by competing with and cheering on your friends.


Apple Watch celebrates each milestone with you.

Powerful Health Tool

Keep your body top of mind.

Heart Rate App

Keep tabs on your resting, walking and workout recovery heart rate.

Breathe App

Quiet your mind. Relax your body.

Third-Party Health Apps

Drink more water. Improve your sleep. Be a healthier you.

Health App on iPhone

One app for all your health and fitness data.

All-Day Assistant

Run your day.
Right from your wrist.

Phone and Messages

Send messages, make calls, get meeting invitations.


Siri is faster and smarter. And speaks from your watch.

Watch Faces

All kinds of faces. All customisable.

Apps and Notifications

Never miss what matters.

Check your heart rate

Take calls and reply to texts

Sync your favourite music

Swimproof design

See more features


Overall rating

See all reviews


Why O2

Why O2?

O2 Support
Here to help you

Get help with your device.

Find the answers to your questions on our help and support pages. Get help with your device, O2 account and more.

Learn more

Bubl and O2
Get Priority

It’s good to be back.

From unique prize draws to unforgettable moments, Priority gives you invite-only access to gigs, perks and experiences.

Find out more

My o2
My O2

Manage your account 24/7.

Keep an eye on your bills and data usage and add a Bolt On if you need it. Get an upgrade, make a bill payment or top up your credit. You can do all this and more, wherever you are, with My O2. Sign in online or get the free My O2 app.

Learn more



What are the Apple Watch Series 3 specs? Collapsed link

With Apple Watch Series 3 you can stay connected with just your watch. Send and receive texts, make and answer calls, receive notifications and stream music.

The Gyroscope app tracks your health and the optical heart sensor alerts you if your heart rate is too low or high.

This model has a Sport Band, designed for being active - it is durable, yet comfortable against the skin.

The watch has a water resistant rating of up to 50 metres.

Is the Apple Watch Series 3 waterproof with the Sport Band? Collapsed link

Apple Watch Series 3 is water resistant for up to 50 meters, meaning this model is ideal for shallow water activities.

The Sport Band strap that comes with it is the best strap for water resistance.

What iPhone is compatible with Apple Watch Series 3? Collapsed link

The Apple Watch Series 3 is compatible with the iPhone 6s and newer models that have iOS 13 or later.

What is the Apple Watch Series 3 storage capacity? Collapsed link

The storage capacity of Apple Watch Series 3 is 8GB, enough to store 200 songs, and 75MB of photos.

What is the Apple Watch battery life like on the Series 3 model? Collapsed link

The battery life of the Apple Watch Series 3 lasts up to 18 hours after a full charge.

Is there an Apple Watch pay monthly option available? Collapsed link

Yes. Spread the cost over a series of months with Apple Watch 0% finance options at O2.

The legal bit

Terms and conditions

  1. Irregular rhythm notification requires the latest versions of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AF).
  2. ISO standard 22810:2010. Designed for shallow-water activities like swimming. Submersion below shallow depth and high-velocity water activities not recommended.
  3. To use Emergency SOS, your iPhone needs to be nearby. If your iPhone isn’t nearby, your Apple Watch needs to be connected to a known Wi-Fi network and you must set up Wi-Fi Calling

*Each year your Airtime Plan will be increased by the Retail Price Index (RPI) rate of inflation announced in February plus 3.9%. If RPI is negative, we’ll only apply the 3.9%. You’ll see this increase on your April 2023 bill onwards. See