Product Price Heart Rate Monitor GPS Waterproof Rating (IPX) Battery Life (hours) Screen Size (inches) Activity Tracking
Garmin Forerunner 265
US
£335.01 5 ATM Up to 13 days in smartwatch mode 33 mm Steps, distance, sleep, stress, VO2 max, training metrics

Color AMOLED running smartwatch with built-in multi-band GPS, wrist-based heart rate, advanced training and recovery metrics, and long battery life. Suited for runners and fitness enthusiasts who want detailed training insights without a bulky device.

Amazfit Bip 3 Pro
US
£52.11 5 ATM Up to 14 days 1.69 in 60+ sports modes, sleep, SpO2, stress, steps, calories

Budget-friendly fitness tracker with a large 1.69 in display, built-in GPS, continuous heart-rate and SpO2 monitoring, 5 ATM water resistance and up to 14 days battery life; suited for newcomers to fitness and users wanting long battery life without a high price.

Coros Pace 4
US
£185.37 5 ATM 41 hours (All Systems GPS) / 31 hours (Dual Frequency) / 19 days daily use 1.2 in Steps, sleep stages, HRV, SpO2, recovery time, menstrual cycles, 50+ activity profiles

Ultralight AMOLED GPS sport watch with dual-frequency satellite support, a redesigned optical heart rate sensor, long battery life, and a built-in mic for voice notes. Suited for runners, triathletes, and everyday athletes seeking accurate GPS, advanced training metrics, and a bright 1.2 in display.

Garmin Venu 3
US
£335.01 5 ATM Up to 14 days in smartwatch mode (Venu 3) 1.4 in, 454 x 454 AMOLED Step counter, sleep, Pulse Ox, stress, Body Battery, workouts, multiple sports modes (running, cycling, swimming, strength, golf, wheelchair mode)

The Garmin Venu 3 is a 45mm AMOLED GPS smartwatch with advanced health sensors (Elevate v5 HRM, Pulse Ox, ECG-capable), long battery life and 5 ATM water resistance. It suits users who want a hybrid smartwatch focused on comprehensive health and multisport tracking with on-device music and phone-call features.

Apple Watch Series 11 GPS 41mm
US
£244.93 50 meters up to 24 hours 41 mm yes

The Apple Watch Series 11 GPS 41mm includes built-in GPS, continuous heart rate monitoring, swim-capable water resistance, and activity tracking for workouts and sleep. It suits users who want advanced health metrics and fitness tracking without cellular connectivity.

Oura Ring Generation 4
US
£259.82 100m/328ft 5-8 days Automatic activity detection for 40+ activities, steps and calories

Oura Ring Generation 4 is a titanium smart ring focused on continuous health monitoring: 24/7 heart rate and HRV, SpO2, temperature trends, and detailed sleep and activity insights via the Oura app. It suits people who want discreet, long‑battery wearable tracking and advanced sleep and recovery metrics rather than live GPS workout data.