10 Best Smartwatch 42mm in UK 2025

Updated on 03/06/2025
#1
29% Off
Free Shipping
  • Larger display with up to 30% more screen area and a lightweight design for comfort.
  • ECG monitoring and notifications for abnormal heart rates and rhythms.
  • Tracks menstrual cycles, sleep patterns, and provides alerts for sleep apnea.
  • Activity Rings for personalized fitness tracking and advanced metrics for workouts.
  • Cellular connectivity allows communication without an iPhone; Family Setup for managing multiple watches.
  • Durable construction with crack resistance, IP6X dust protection, and 50m water resistance.
Read More
  • Larger display with up to 30% more screen area and a lightweight design for comfort.
  • ECG monitoring and notifications for abnormal heart rates and rhythms.
  • Tracks menstrual cycles, sleep patterns, and provides alerts for sleep apnea.
  • Activity Rings for personalized fitness tracking and advanced metrics for workouts.
  • Cellular connectivity allows communication without an iPhone; Family Setup for managing multiple watches.
  • Durable construction with crack resistance, IP6X dust protection, and 50m water resistance.
Read More
#2
Value for Money
27% Off
Free Shipping
  • Larger display offers up to 30% more screen area for better visibility.
  • Thinner and lighter design for enhanced comfort.
  • Comprehensive health monitoring including ECG and heart rate alerts.
  • Advanced fitness tracking with customizable Activity Rings and workout metrics.
  • Durable with crack resistance, IP6X dust resistance, and 50m water resistance.
Read More
  • Larger display offers up to 30% more screen area for better visibility.
  • Thinner and lighter design for enhanced comfort.
  • Comprehensive health monitoring including ECG and heart rate alerts.
  • Advanced fitness tracking with customizable Activity Rings and workout metrics.
  • Durable with crack resistance, IP6X dust resistance, and 50m water resistance.
#3
33% Off
Free Shipping
  • 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
Read More
  • 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
Read More
#4
Free Shipping
  • 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.
Read More
  • 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.
Read More
#5
Free Shipping
  • AMOLED display for clear health tracking; up to 11 days of battery life in smartwatch mode.
  • Body Battery monitoring provides insights on energy levels based on sleep, exercise, and stress.
  • Over 80 built-in sports apps for various activities including running, cycling, swimming, and more to encourage movement.
  • Personalized daily workout suggestions to help maintain motivation.
  • Advanced training features such as workout benefits and recovery time to optimize fitness routines.
Read More
  • AMOLED display for clear health tracking; up to 11 days of battery life in smartwatch mode.
  • Body Battery monitoring provides insights on energy levels based on sleep, exercise, and stress.
  • Over 80 built-in sports apps for various activities including running, cycling, swimming, and more to encourage movement.
  • Personalized daily workout suggestions to help maintain motivation.
  • Advanced training features such as workout benefits and recovery time to optimize fitness routines.
Read More
#6
24% Off
Free Shipping
  • 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
Read More
  • 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
Read More
#7
14% Off
Free Shipping
  • 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.
Read More
  • 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.
#8
Free Shipping
  • AMOLED touchscreen display with lightweight 42 mm design for smaller wrists
  • Up to 15 days battery life in smartwatch mode, 24 hours in GPS mode
  • Provides a morning report with insights on sleep, recovery, training outlook, and HRV status
  • Custom daily workouts generated based on inputted race and course, adapting after each run
  • Training readiness score assesses sleep quality, recovery, and training load
  • Safety features include incident detection and live location sharing with emergency contacts
Read More
  • AMOLED touchscreen display with lightweight 42 mm design for smaller wrists
  • Up to 15 days battery life in smartwatch mode, 24 hours in GPS mode
  • Provides a morning report with insights on sleep, recovery, training outlook, and HRV status
  • Custom daily workouts generated based on inputted race and course, adapting after each run
  • Training readiness score assesses sleep quality, recovery, and training load
  • Safety features include incident detection and live location sharing with emergency contacts
Read More
#9
Free Shipping
  • 1.2" always-on AMOLED display with scratch-resistant sapphire lens and durable steel or titanium bezel, suitable for smaller wrists.
  • Built-in LED flashlight with adjustable intensities and strobe modes enhances visibility during nighttime training and provides convenient lighting.
  • Hill score feature assesses running strength and endurance on inclines, tracking your improvement over time.
  • Endurance score feature analyzes training data across different activities to provide insights on overall endurance development.
  • International products may have different terms, fit, age ratings, and product labeling or instructions compared to local versions.
Read More
  • 1.2" always-on AMOLED display with scratch-resistant sapphire lens and durable steel or titanium bezel, suitable for smaller wrists.
  • Built-in LED flashlight with adjustable intensities and strobe modes enhances visibility during nighttime training and provides convenient lighting.
  • Hill score feature assesses running strength and endurance on inclines, tracking your improvement over time.
  • Endurance score feature analyzes training data across different activities to provide insights on overall endurance development.
  • International products may have different terms, fit, age ratings, and product labeling or instructions compared to local versions.
Read More
#10
Free Shipping
  • 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
Read More
  • 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
Apple Watch Series In Order See All
Smart Watch Steps Tracker See All
Top 5 Smartwatches See All