10 Best Smartwatch 42mm in UK 2025
Updated on 15/06/2025
#1
Recommended
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- Larger display with up to 30% more screen area for better visibility.
- Thinner and lighter design for enhanced comfort.
- Comprehensive health tracking, including ECG and heart rate notifications.
- Advanced fitness tracking with customizable Activity Rings and specialized workout metrics.
- Durable construction with crack and water resistance up to 50m.
- Safety features like Fall Detection and Crash Detection.
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- Larger display with up to 30% more screen area for better visibility.
- Thinner and lighter design for enhanced comfort.
- Comprehensive health tracking, including ECG and heart rate notifications.
- Advanced fitness tracking with customizable Activity Rings and specialized workout metrics.
- Durable construction with crack and water resistance up to 50m.
- Safety features like Fall Detection and Crash Detection.
#2
Value for Money
26% Off
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- 1.2” always-on AMOLED display with steel bezel, ideal for smaller wrists
- LED flashlight with adjustable intensities for night training
- Hill score feature assesses running strength on ascents
- Endurance score feature analyzes training data for overall endurance
- 24/7 health monitoring including HRV and Pulse Ox, with advanced sleep tracking; not a medical device
- Multi-band GNSS navigation for accurate positioning and battery optimization
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- 1.2” always-on AMOLED display with steel bezel, ideal for smaller wrists
- LED flashlight with adjustable intensities for night training
- Hill score feature assesses running strength on ascents
- Endurance score feature analyzes training data for overall endurance
- 24/7 health monitoring including HRV and Pulse Ox, with advanced sleep tracking; not a medical device
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#3
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- Nanocrystal ceramic body and sapphire glass screen enhance durability.
- Supports advanced sports tracking for golf, free diving, and trail running, with detailed route navigation.
- Offers up to 7 days of battery life, with 5 days of typical usage.
- Provides accurate health monitoring, including ECG analysis and focus on women's health.
- Free 3-month membership to HUAWEI Health+ with access to exclusive workouts and well-being resources.
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- Nanocrystal ceramic body and sapphire glass screen enhance durability.
- Supports advanced sports tracking for golf, free diving, and trail running, with detailed route navigation.
- Offers up to 7 days of battery life, with 5 days of typical usage.
- Provides accurate health monitoring, including ECG analysis and focus on women's health.
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#4
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- Larger display with 30% more screen area allows for better visibility.
- Lightweight design enhances comfort during wear.
- Offers advanced health monitoring, including ECG and heart rate notifications.
- Features related to menstrual cycle tracking and sleep analysis available.
- Durable construction with crack, dust, and water resistance up to 50m.
- Highly customizable with various straps and watch face options.
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- Larger display with 30% more screen area allows for better visibility.
- Lightweight design enhances comfort during wear.
- Offers advanced health monitoring, including ECG and heart rate notifications.
- Features related to menstrual cycle tracking and sleep analysis available.
- Durable construction with crack, dust, and water resistance up to 50m.
- Highly customizable with various straps and watch face options.
#5
25% Off
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- Bright, colorful display with up to 11 days of battery life in smartwatch mode
- Body Battery monitoring offers insights into energy levels based on sleep and workouts
- Access to over 30 built-in sports apps, including running, cycling, and swimming
- Wheelchair mode tracks push activities with preloaded strength and cardio workouts
- Comprehensive health monitoring features, including heart rate and menstrual cycle tracking
- Advanced training features provide insights on workout benefits and recovery time
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- Bright, colorful display with up to 11 days of battery life in smartwatch mode
- Body Battery monitoring offers insights into energy levels based on sleep and workouts
- Access to over 30 built-in sports apps, including running, cycling, and swimming
- Wheelchair mode tracks push activities with preloaded strength and cardio workouts
- Comprehensive health monitoring features, including heart rate and menstrual cycle tracking
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#6
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- Health Glance: Press and hold the HUAWEI X-TAP sensor for 3 seconds to start a Health Glance check, and get your comprehensive report within a minute, complete with up to 10 key indicators and personalized analysis.
- Superior Materials: Aerospace-Grade Titanium (HUAWEI WATCH 5 46 mm Silver, Brown and Purple), 904L Stainless Steel (WATCH 5 42 mm Sand Gold and Beige), Spherical Sapphire Glass, LTPO 2.0 AMOLED Display. Unlock a new era of style and substance with HUAWEI WATCH 5, designed for tomorrow but fit for today. It packs Kármán line-inspired curves and futuristic tech into an iconic streamlined form that‘s as comfortable as it is revolutionary.
- Connect Without Compromise: Make calls without your phone, thanks to robust eSIM services. Stay connected throughout the day with powerful Wi-Fi 6, which offers up to double the internet access speeds.
- Two Battery Modes, Just a Tap Away: Go with Standard mode for access to all your favourite features, or squeeze more out of your watch with Battery saver mode. You can effortlessly switch between these two modes in just seconds, adapting to your daily needs on a whim and powering through your days with ease.
- Compatible with iOS and Android devices: Stay connected, track your fitness goals, and get real-time notifications—all with HUAWEI WATCH 5, which is compatible with both iOS and Android.
- Real-Time Fingertip Blood Oxygen: First-ever smartwatch supporting real-time, continuous fingertip SpO2 measurement. Just tap the HUAWEI X-TAP sensor to get an accurate blood oxygen reading in 10 seconds. It is powered by a robust signal that taps into the rich vascular networks at your fingertips.
- Pro-Lever Sports: Embrace your athletic potential with 100+ workout modes to choose from, including 14 pro-level sports like golf and freediving.
- One More Gesture, Endless Choices: Take charge touch-free with intuitive Smart Gestures powered by a high-performance NPU - first for HUAWEI wearables.
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- Health Glance: Press and hold the HUAWEI X-TAP sensor for 3 seconds to start a Health Glance check, and get your comprehensive report within a minute, complete with up to 10 key indicators and personalized analysis.
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#7
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- Product identifier: 0753759313753
- Model number: 010-02810-14
- Country of origin: China
- Dimensions of item package: 11.4 x 7.0 x 9.3 cm
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- Product identifier: 0753759313753
- Model number: 010-02810-14
- Country of origin: China
- Dimensions of item package: 11.4 x 7.0 x 9.3 cm
#8
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- Larger display with 30% more screen area for better visibility.
- Thinner and lighter design enhances comfort.
- Comprehensive health tracking, including ECG and heart rate notifications.
- Customizable Activity Rings and advanced metrics for personalized fitness.
- Cellular connectivity enables calls and texts without an iPhone nearby.
- Safety features like Fall Detection connect to emergency services.
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- Larger display with 30% more screen area for better visibility.
- Thinner and lighter design enhances comfort.
- Comprehensive health tracking, including ECG and heart rate notifications.
- Customizable Activity Rings and advanced metrics for personalized fitness.
- Cellular connectivity enables calls and texts without an iPhone nearby.
- Safety features like Fall Detection connect to emergency services.
#9
17% Off
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- Multisport GPS watch with a durable 42 mm case and 1.2” display
- Solar charging lens enables weeks of battery life
- Built-in LED flashlight offers multiple brightness levels for night training
- Hill score feature tracks running strength and progress during climbs
- Endurance score analyzes training impact on overall performance
- 24/7 health monitoring includes heart rate variability and advanced sleep tracking
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- Multisport GPS watch with a durable 42 mm case and 1.2” display
- Solar charging lens enables weeks of battery life
- Built-in LED flashlight offers multiple brightness levels for night training
- Hill score feature tracks running strength and progress during climbs
- Endurance score analyzes training impact on overall performance
- 24/7 health monitoring includes heart rate variability and advanced sleep tracking
#10
26% Off
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- WHY APPLE WATCH SERIES 10 — Bigger display with up to 30 per cent more screen area.* A thinner, lighter and more comfortable design.* Advanced health and fitness features provide invaluable insights.* Safety features connect you to help when you need it.* Faster charging gives you 80 per cent battery in about 30 minutes.*
- ADVANCED HEALTH INSIGHTS — Take an ECG at any time.* Get notifications if you have high or low heart rate or an irregular heart rhythm.* Understand your menstrual cycle and get retrospective ovulation estimates.* See overnight health metrics like heart rate, respiratory rate and more with the Vitals app.* Track sleep and get notifications if Apple Watch detects signs of sleep apnoea.*
- A POWERFUL FITNESS PARTNER — Measure all the ways you move with Activity Rings, which are customisable to match your lifestyle. Get advanced metrics for a range of workouts with the Workout app. Track the intensity of your workouts with training load. Use depth and water temperature sensors for your aquatic adventures. And Apple Watch comes with three months of Apple Fitness+ free.*
- CELLULAR CONNECTIVITY — With a mobile service plan you can send a text, make a call and stream music without your iPhone nearby.* Use Family Setup to manage Apple Watch for those who don’t yet have their own iPhone, so everyone can stay connected, active, healthy and safe.*
- INNOVATIVE SAFETY FEATURES — Fall Detection and Crash Detection can connect you with emergency services in the event of a hard fall or a serious car crash. Emergency SOS lets you call for help with the press of a button.* Check In automatically notifies a loved one when you’ve arrived at your destination.
- INCREDIBLE DURABILITY — Crack resistant and IP6X-certified dust resistant. With 50m water resistance.*
- CARBON NEUTRAL — Apple Watch Series 10 is carbon neutral when paired with select straps. Learn more about Apple’s commitment to the environment at apple.com/uk/2030.
- SIMPLY COMPATIBLE — It works seamlessly with your Apple devices and services.* Unlock your Mac automatically. Get approximate distance and directions to your iPhone with Precision Finding on supported iPhone models.* Pay and send money with Apple Pay.
- EASILY CUSTOMISABLE — With watch straps in a range of styles, materials and colours and fully customisable watch faces, you can change your watch to fit your mood or the moment.
- * LEGAL DISCLAIMERS — This is a summary of the main product features.
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- WHY APPLE WATCH SERIES 10 — Bigger display with up to 30 per cent more screen area.* A thinner, lighter and more comfortable design.* Advanced health and fitness features provide invaluable insights.* Safety features connect you to help when you need it.* Faster charging gives you 80 per cent battery in about 30 minutes.*
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