10 Best Smartwatch 42mm in the UK 2025
Updated on 01/07/2025
#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
24% 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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- Larger display with 30% more screen area for better visibility.
- Comprehensive health tracking including ECG, heart rate notifications, and menstrual cycle insights.
- Customizable Activity Rings and metrics for various workouts with Apple Fitness+ included.
- Safety features such as Fall and Crash Detection for emergency support.
- Durable with crack resistance and 50m water resistance.
- Seamlessly integrates with Apple devices, offering features like automatic Mac unlock and Apple Pay.
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- Larger display with 30% more screen area for better visibility.
- Comprehensive health tracking including ECG, heart rate notifications, and menstrual cycle insights.
- Customizable Activity Rings and metrics for various workouts with Apple Fitness+ included.
- Safety features such as Fall and Crash Detection for emergency support.
- Durable with crack resistance and 50m water resistance.
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#4
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- AMOLED display offers clear health metrics with up to 11 days of battery life.
- Body Battery tracking provides insights on energy levels influenced by sleep, stress, and activity.
- Personalized sleep score and coaching help improve sleep quality with key health metrics.
- Smart wake alarm vibrates at the optimal time for waking.
- Over 80 built-in sports apps support a variety of fitness activities.
- Advanced training features help track workout effects and recovery time.
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- AMOLED display offers clear health metrics with up to 11 days of battery life.
- Body Battery tracking provides insights on energy levels influenced by sleep, stress, and activity.
- Personalized sleep score and coaching help improve sleep quality with key health metrics.
- Smart wake alarm vibrates at the optimal time for waking.
- Over 80 built-in sports apps support a variety of fitness activities.
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#5
33% Off
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- Monitors heart rate at the wrist and tracks distance, speed, and location using GPS
- Easily start tracking your activity with a single button press to record time, distance, and speed
- Tracks daily activities including steps, calories burned, and sleep patterns
- Offers personalized workout suggestions based on training history, fitness level, and recovery
- Provides access to Garmin Coach training plans with expert guidance for 5K, 10K, and half-marathon training
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- Monitors heart rate at the wrist and tracks distance, speed, and location using GPS
- Easily start tracking your activity with a single button press to record time, distance, and speed
- Tracks daily activities including steps, calories burned, and sleep patterns
- Offers personalized workout suggestions based on training history, fitness level, and recovery
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#6
26% 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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#7
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- Sleek and lightweight design: The Amazfit GTS 3 features an 8.8mm body made from aircraft-grade aluminum, weighing just 24.4g, coupled with a 1.75-inch curved glass screen for an immersive viewing experience.
- Comprehensive health monitoring: Quickly check heart rate, blood oxygen saturation, stress level, and breathing rate with a single tap, receiving results in about 45 seconds.
- Versatile fitness tracking: Offers over 150 sports modes, tracking metrics like heart rate and calories burned, while evaluating advanced data such as VO2 Max and recovery time.
- Integrated voice assistants: Utilize Alexa for tasks such as setting alarms and translations, or use the offline voice assistant to access features without internet connectivity.
- Accurate navigation tools: Equipped with a barometric altimeter and supports multiple satellite navigation systems including GPS and GLONASS for precise tracking of outdoor activities.
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- Sleek and lightweight design: The Amazfit GTS 3 features an 8.8mm body made from aircraft-grade aluminum, weighing just 24.4g, coupled with a 1.75-inch curved glass screen for an immersive viewing experience.
- Comprehensive health monitoring: Quickly check heart rate, blood oxygen saturation, stress level, and breathing rate with a single tap, receiving results in about 45 seconds.
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#8
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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
#9
19% 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
Read More
- 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
Free Shipping
- 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.
Read More
- 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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