Product Price Brand Model Case Material Diameter (mm) Thickness (mm) Water Resistance Movement Type
Fitbit Fitbit Charge 6 Tracker
US
£118.05 Fitbit Charge 6 Aluminum 11.2 Up to 50 meters

The Fitbit Charge 6 is a fitness tracker with built-in GPS, heart-rate monitoring, ECG, SpO2 tracking, sleep tracking, and over 40 exercise modes. Its seven-day battery life and water resistance up to 50 meters make it suitable for everyday wellness tracking and regular workouts.

★ 适合人群

It suits fitness tracking because it combines built-in GPS, continuous heart-rate monitoring, ECG, SpO2 tracking, over 40 exercise modes, and water resistance up to 50 meters in a lightweight tracker.

Samsung Samsung Galaxy Watch8 Aluminum 44mm Bluetooth
US
£243.55 Samsung Samsung Galaxy Watch8 Armor aluminum 44 8.6 IP68 + 5 ATM + MIL-STD-810H

This lightweight smartwatch has a 44mm aluminum case, 1.47in Super AMOLED display, dual-band GPS, and health sensors for heart rate, ECG, body composition, sleep, and activity tracking. It suits Android users who want a fitness-focused smartwatch with running coaching, sleep insights, durable water resistance, and everyday smart features.

★ 适合人群

It suits fitness tracking because it combines dual-band GPS, optical heart-rate monitoring, ECG, body-composition measurement, Running Coach, sleep coaching, and IP68 plus 5 ATM water resistance.

Apple Apple Watch Ultra 4 GPS + Cellular 49mm Titanium Case
US
£589.69 Apple Apple Watch Ultra 4 Titanium 49 12 100 meters

The Apple Watch Ultra 4 is a rugged GPS and cellular smartwatch with a 49mm titanium case, 100-meter water resistance, dual-frequency GPS, advanced heart-rate sensing, and up to 50 hours of normal use. It suits athletes, outdoor adventurers, divers, and users who want extensive health and fitness tracking with satellite communications.

★ 适合人群

This watch suits fitness tracking because it combines high-frequency heart-rate monitoring, recovery HRV, ECG, wrist-temperature sensing, sleep tracking, low-cardio-fitness notifications, dual-frequency GPS, and up to 45 hours of Max Extended Workout tracking.