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41mm Matte Black / Obsidian Band
41mm Matte Black / Obsidian Band
45mm Matte Black / Obsidian Band
Capacity:
Payment calculator
3
MONTHS
36
£50.00
Upfront
+
£8.31
Monthly
0% APR. Total cost is £349.00. Terms apply
The total cost of the device stays the same:
£349.00
Tech Specs
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41mm / 45mm
Smartwatch Screen Size
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36.7g / 36.7g
Weight
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4G
Data Connectivity
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GPS
Yes
Brand:
Apple
Weight (g):
31g without band (41mm) / 36.7g without band (45mm)
Battery (eComm):
325 mAh (41mm) / 455 mAh (45mm)
Processor:
Snapdragon W5 Gen 2, Cortex-M55 co-processor
Dimensions (mm):
41mm x 12.3 mm / 45mm x 12.3 mm
Resolution:
320 ppi AMOLED LTPO display with DCI-P3 colour
Screen Size (inches):
41mm / 45mm
Type of display:
Actua 360 display
What's In The Box:
USB-C Quick Charge Dock (Only compatible with Pixel Watch)
Internal Storage (GB):
32 GB eMMC flash9
Operating System (eComm):
Wear OS 6.0
Water Resistance (IP Rating):
IP68
Removable battery:
No
Expandable Storage:
No
Facial Recognition:
No
Fingerprint Recognition:
No
GPS:
Yes
NFC (eComm):
No
Wi-Fi:
Yes
Dual Sim:
No
FM Radio:
No
Bluetooth:
Yes
Fast Charging:
No
Charger in box:
Yes
Wireless Charging (eComm):
Yes
Wi-Fi and 4G Calling:
No
Type Of Charger Connector:
Google Pixel Watch 4 USB-C® Quick Charge Dock
Music Player:
No
Why O2 ?
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Here to help you
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FAQs
Google Pixel Watch 4 was released on 9 October, 2025 and is now available to buy at O2 on a flexible Pay Monthly plan.
Pixel Watch 4 is engineered for performance with the Wear OS operating system, combining Google Assistant for effortless daily tasks and tools to boost your wellbeing. From all-day heart rate monitoring and ECG support to SpO₂ and stress tracking. Safeguard your health using emergency alerts such as Loss of Pulse Detection or app features like Cardio Load and Daily Readiness Score to help you train smart.
It offers full sleep staging and quality scores using Fitbit tech. You’ll get deep insights into your night’s rest, including sleep duration and sleep stages. All tied into your Daily Readiness Score each morning.
Track your performance across several sports, including key fitness metrics such as heart rate, cadence, and calories. Pixel Watch 4 uses Fitbit technology with over 40 exercise modes built in — everything from walks to strength training. Create custom running workouts in the Fitbit app and get real-time cues during workouts, like when to take a breather. It tracks advanced metrics like stride length, ground contact time, and vertical oscillation. Plus, audio and haptic guidance helps you stay on pace and smash your goals. Keep forgetting to track your activity? Google Watch can detect certain activities and prompt you.
Google Pixel Watch 4 delivers the longest battery life yet on a Google Watch. Power through the day with up to 30 hours on 41mm and up to 40 hours on 45mm. Perfect for long hikes, quick runs and all-day wear for fitness tracking. And now, it chargers even faster using USB-C cable with fast-charging capability to get you back on the move in a snap. Battery Saver mode can extend life when you need to preserve power.
No, it doesn't. Enjoy fast speeds on Google Pixel Watch 4 WiFi. Connect to your phone's personal hotspot or make the most of shops, cafes or gyms to make WiFi calls and texts, and much more.
This Google smartwatch comes in 41mm and 45mm case sizes. The 41mm model weighs just 31g (without the band) and is 12.3mm thick while the large 45mm remains lightweight at 36.7g.
With a 5ATM rating, Pixel Watch 4 offers water resistance for swimming, rain and showers. Submerge to depths up to 50 metres.
Google Pixel Watch 4 is available in a Matte Black finish.
With TalkBack, the watch reads what’s on screen. Adjust font size and magnify content for easier reading. Haptic feedback makes sure you don’t miss a cue, and voice commands let you stay hands-free with Google Assistant.
The legal bit
Spread the cost
0% APR Device Plan only available for selected devices and accessories purchased on www.o2.co.uk. Upfront payment required with the balance paid by monthly direct debit instalments over the term or pay it off early at any time. One eligible device per Plan. Device Plan is a consumer credit agreement and subject to status, eligibility and credit checks. 18+. Credit by Telefonica UK Ltd, 500 Brook Drive, Reading, RG2 6UU, UK. Telefonica UK authorised and regulated by the FCA for consumer credit and insurance. Terms apply, see o2.co.uk/terms.
Your Device Plan - Representative Example
| Duration of Device Plan | Monthly device payment | Credit Amount | Interest Rate (fixed) | Representative APR | Upfront Cost | Total amount payable for device | Cash price |
|---|---|---|---|---|---|---|---|
| 36 | £8.31 | £299.00 | 0% | 0% | £50.00 | £349.00 | £349.00 |
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.