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Colour:
46mm Black
Capacity:
64GB
Choose your plan
1GB
CLASSIC PLAN
-What's this?48 month contract
£1.00
UPFRONT
+
£13.00
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£13.75
From Apr 2028 bill
£14.50
Monthly cost breakdown:
£10.00 Device + £3.00 Airtime
OFFER
Save up to £209. Ends 1 July.
Features
Tech Specs
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46mm
Smartwatch Screen Size
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63.5g
Weight
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4G
Data Connectivity
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Yes
GPS
Brand:
Samsung
Weight (g):
63.5 Grams
Battery (eComm):
445 mAh
Processor:
SEC | S5E5535(Exynos W1000)
Talk Time (hrs):
Up to 30 hours
Dimensions (mm):
46 x 46.4 x 10.6 mm
Screen Size (inches):
1.3 Inch
What's In The Box:
Watch, USB-C Wireless Charging Dock, Quick Start Guide and Warranty Card
Internal Storage (GB):
64GB
Operating System (eComm):
Wear OS Powered by Samsung | 5.0
Water Resistance (IP Rating):
5 ATM
Removable battery:
No
Expandable Storage:
No
Facial Recognition:
No
Fingerprint Recognition:
No
GPS:
No
NFC (eComm):
Yes
Wi-Fi:
Yes
Dual Sim:
No
FM Radio:
No
Band Type:
3G WCDMA,4G LTE FDD,4G LTE TDD
Bluetooth:
Yes
Fast Charging:
Yes
Charger in box:
Yes
Wireless Charging (eComm):
Yes
Wi-Fi and 4G Calling:
No
Type Of Charger Connector:
Wireless Charging
Music Player:
No
Why O2 ?
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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.
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Get Priority
From unique prize draws to unforgettable moments. Priority gives you invite-only access to gigs, perks and experiences.
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My O2
Check your bill, view your balance, add Bolt Ons and more. Anytime, anywhere.
FAQs
Watch 8 Classic was released on 22 July, 2025. It’s available now on flexible pay monthly contracts at O2.
Galaxy Watch 8 Classic features the signature rotating bezel for easy navigation and a more traditional watch look – all while packing the latest smart features inside.
Yes, it does. Stay connected even when you leave your phone behind. Make calls, stream music, and get notifications on the go.
Perfect your look for every occasion - pick up your Galaxy Watch 8 Classic in a timeless Black finish.
Not quite. Galaxy Watch 8 Classic has a 5 ATM water resistance rating, making it suitable for swimming, depths up to 50 metres, and daily wear. However, it's not recommended for diving or high-pressure water activities.
Packed with a 445mAh battery, the Galaxy Watch 8 Classic delivers up to 30 hours of talk time and 40 hours standby. And when you want power in a snap, wireless fast-charging has you covered.
Enjoy vibrant visuals on the 1.3-inch Super AMOLED display with 432x432 resolution. Perfect for clear text, smooth animations, and responsive touch control.
The legal bit
Custom plans
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 cost of your Device will be the same however long you choose. There may be an upfront cost. 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. 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.
UK calls/texts to standard UK landlines and mobiles and when roaming in our Europe Zone. Fair Usage policy applies. Special and out of bundle numbers chargeable. 4G phone required to access 4G. 4G available in selected areas.
Change your airtime tariff after 30 days and then once every billing month during your minimum contract period, choosing from a selected family of tariffs. Some tariff extras are only available on the starting tariff, are not transferable, and may be lost if you change to an ineligible tariff. Devices are subject to availability.
0% APR. Finance subject to status and credit checks, 18+, Direct Debit. Credit provided by Telefonica UK Ltd, 500 Brook Drive, Reading, RG2 6UU, UK. Terms apply, see o2.co.uk/terms.
Get Unlimited Data
Unlimited Data available on O2 Custom Plans on selected handsets and selected SIM Only tariffs. Fair use policy applies, personal and non-commercial usage only. This policy asks that you only use our services or SIM cards for private, personal and legitimate consumer purposes, and not for business purposes. See more at www.o2.co.uk/fair-usage-policy. If you regularly use 650GB of data per month or tether 12 or more devices we may consider this to be non permitted use and have the right to move you to a more suitable plan. EU roaming capped at 25GB per month. For full terms see www.o2.co.uk/terms.
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.
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