Watch Ultra 3 Titanium with Ocean Band
Apple Watch Ultra 3 Titanium with Ocean Band Black / Black 64GB
Apple Watch Ultra 3 Titanium with Ocean Band Black / Black 64GB

Apple Watch Ultra 3 Titanium with Ocean Band

5G SA

Watch Ultra 3 Titanium with Ocean Band
Apple Watch Ultra 3 Titanium with Ocean Band Black / Black 64GB
Apple Watch Ultra 3 Titanium with Ocean Band Black / Black 64GB
Free gift Black / Black
Capacity 64GB

In stock

Order by midnight for free next-working-day home delivery
The ultimate sports and adventure watch. With built-in satellite communications, multi-day battery life and advanced metrics.
Looking for Apple Watch Series 11?

Pay Monthly contracts and deals

Pick a pre-built plan
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Unlimited
Fair usage applies
Classic plan
48 month contract
Upfront
+
£
22
.75
MONTHLY
From Apr 2026 bill £23.50
From Apr 2027 bill £24.25

Monthly cost breakdown:

£15.75 Device +£7.00† Airtime

Features

Tech specs

49mm

Smartwatch Screen Size

Up to 42 hours

Battery Life

5G

Data Connectivity

61.8g

Weight

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A network you can trust

We're here for you whenever you need us. So you can stay connected to the people that matter.

Get Priority

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

My O2

Check your bill, view your balance, add Bolt Ons and more. Anytime, anywhere.

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Monthly rolling Airtime Plan.

FAQs

When was the Apple Watch Ultra 3 release date?

It was announced on 9 September, 2025 and launched on 19 September, 2025. Buy now on a Pay Monthly plan at O2.

What is Apple Watch Ultra 3 battery life like?

Power up all-day, all night. The enormous battery life lasts up to 42 hours with fast charging that gets you up and running in no time.

What size is Apple Watch Ultra 3?

Apple Watch Ultra 3 comes in a 49mm aerospace-grade titanium case with a choice of bands from S/M (130-200mm wrists) to M/L (140-245mm wrists).

What straps are there for Apple Watch Ultra 3?

Maximise performance for epic adventures in an Ocean Band and Trail Loop. Or, stand out in a sophisticated style with the stunning metal Milanese Loop.

What colours are available?

Watch Ultra design is the epitome of durability and sophistication in two stunning finishes: Natural Titanium and Black Titanium.

What are Apple Watch Ultra features?

Apple Watch Ultra 3 packs advanced tech into its rugged design. Experience 5G for faster connectivity, satellite communications for off-grid SOS, messaging and location sharing, and blood pressure (hypertension) trend detection for the first time on an Apple Watch. Powered to be even more efficient and responsive.

 

Built for performance and wellbeing, featuring advanced sensors for everything from running and cycling to open-water swimming, with precision dual-frequency GPS for accurate routes. Sleep tracking helps you understand time spent in each stage, from light sleep to REM. Advanced sleep scores rate your sleep quality. Protect your health with Crash Detection and Fall Detection, which can automatically alert emergency services if needed. And with Apple Intelligence, you’ll get smarter coaching prompts, personalised workout insights, and predictive health alerts. Watch Ultra 3 can even detect conditions like Sleep Apnoea to help prevent related diabetes and cardiac issues.

 

Workout Buddy is your AI health coach, offering feedback and motivation to take you to new heights in your journey to optimise wellness.

Is Apple Watch Ultra 3 waterproof?

Almost. It’s water resistant to 100 metres and tested for diving up to 40 metres. Perfect for swimming, surfing, high-pressure water activities, or underwater exploration.

What is the display like?

Experience the biggest and brightest screen yet. The 49mm x 44mm wide-angle OLED display offers a sharper 422 x 514 resolution and large screen area for better outdoor and indoor visibility. The ultimate companion for accessibility, workouts, maps, and everyday life.

Can I use Apple Watch Ultra 3 without my iPhone?

Absolutely. Stream music, make calls, and receive notifications without your iPhone nearby on a cellular O2 plan.

What price is Apple Watch Ultra 3?

Buy Apple Watch Ultra 3 right here at O2 on a flexible plan. Choose a Pay Monthly contract to unlock cellular connectivity and benefit from O2 perks from travel to entertainment.

Go to help and support

*Subject to Annual Price Increase

Monthly price of your Airtime Plan will increase by £2.50 each April, except Data Only and Smartwatch Plans which will increase by 75p. Out of bundle charges increase by 5% every 1 April.

Your Custom Plan - Representative Example

Duration of Device Plan

48 months

Monthly device payment

£15.75

Credit amount

£756.00

Interest rate (fixed)

0%

Representative APR

0%

Upfront cost

£1.00

Total amount payable for device

£757.00

Cash price

£757.00

Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). Certain device costs available to be spread over 3 to 48 months. The device cost will be the same whatever you choose. There may be an upfront cost. You can pay off your Device Plan at any time and choose to keep your Airtime Plan, upgrade it, or leave. If you are in the first 24 months of your Device Plan and you cancel your Airtime Plan you will have to pay the remainder of your Device Plan in full. After 24 months you can keep your Airtime Plan, upgrade it, or end it without affecting your Device Plan.

 

 

Plans unlink after 24 months

 

For customers who took out an O2 Refresh custom plan on or after 17 December 2021, your Airtime Plan and Device plans unlink after 24 months. This means that if you are in the first 24 months of your Device Plan you will have to pay off your Device Plan in full if you decide to end your Airtime Plan (but we won’t charge you an Early Termination Charge to exit your Airtime Plan). 

 

After 24 months you can: keep your Airtime and Device Plans without changing anything, Cancel your Airtime Plan and keep paying off your Device Plan instalments or, Cancel your Airtime Plan and pay off your Device Plan in full. For customers who took out an O2 Refresh custom plan before the 17 December 2021, the Airtime and Device Plans remain linked for the duration of the Device Plan, this means you will have to pay off your Device Plan in full if you decide to end your Airtime Plan at any point (but we won’t charge you an Early Termination Charge to exit your Airtime Plan).