Product Price Heart Rate Accuracy (%) Battery Life (hours) Water Resistance (meter) Screen Size (inches) GPS Accuracy (meters) Compatibility
Garmin Garmin Instinct 3 Solar GPS Smartwatch 45 mm Fiber-reinforced Polymer (Instinct 3 Solar, 45 mm)
US
£227.19 Up to 28 days 10 ATM 40 millimeters Android, Apple iOS

Garmin Instinct 3 Solar (45 mm) is a rugged GPS smartwatch with solar charging and a monochrome MIP display designed for outdoor use. It supports multi-band GPS with SatIQ for improved positioning accuracy while optimizing battery use. It also includes wrist-based health monitoring, including heart rate.

★ 适合人群

If you want the largest display on a heart-rate GPS smartwatch in the Instinct 3 lineup, the Instinct 3 Solar uses a 40 millimeters screen size, which is larger than the 30 millimeters screen on the 45 mm AMOLED version.

Apple Apple Watch Series 10 (GPS 46mm case) - MWWQ3LW/A
US
£280.20 up to 18 hours 50 meters 46mm iPhone Xs or later with iOS 18 or later

Apple Watch Series 10 (GPS, 46mm) is a health and fitness smartwatch with an Always-On Retina LTPO3 OLED display and built-in heart sensors. It supports GPS for outdoor workouts and provides all-day battery life. This model is designed for iPhone users who want a larger 46mm screen with core health features.

★ 适合人群

Choose this model because its 46mm case has a 416 by 496 pixel display (1220 sq mm display area), which is the largest Apple Watch Series 10 display size.