We've tested loads of top-notch Garmin watches, and some of the best have had their prices slashed for Prime Day, including the high tech Fenix 8 and the budget-friendly Forerunner 55 - here are the ones we'd buy

Garmin Forerunner 255 Music: $299.99 $248.95 at Amazon
Save $151 This dependable Forerunner watch comes with on-board music storage space, so you can download your favorite tunes and podcasts to play as you run. Aside from that, it's got all the handy sports watch features of its standard version.

Garmin Epix Pro (Gen 2) Sapphire Edition: $1099.99 $609.99 at Amazon
Save $490 This large 1.4in watch features a tough, scratch-resistant sapphire glass AMOLED display, which remains visible in glaring sunlight. It boasts a wide range of health and fitness trackers in addition to accurate GPS and some handy extras, like a powerful in-built flashlight.

Garmin Forerunner 955: $499 $349.99 at Amazon
Save $150 The Forerunner 955 is an incredibly smart and powerful, top-of-the-range watch for running, hiking, and other outdoor pursuits. It's got a super-accurate GPS and tracks everything from your heart-rate to jet lag.

Garmin Vivoactive 5: $299.99 $190 at Amazon
Save $110 Designed with a bright, colorful AMOLED display, get a more complete picture of your health, thanks to battery life of up to 11 days in smartwatch mode. You can also access handy smartwatch features like Garmin's contactless Garmin Pay.

Garmin Epix (Gen 2): $899.99 $488 at Amazon
Save $412 This superb multi-sports watch boasts a stunning AMOLED display and tons of handy health and fitness features to help you manage your well-being as you speed through the wilderness. It's made from sturdy Corning Gorilla Glass, which is resistant to scratching and other damage you might encounter.

Garmin Venu Sq 2: $249.99 $149.99 at Amazon
Save $100 The Venu Sq 2 combines a flashy AMOLED display with up to 11 days of battery life and over 25 in-built sports apps to help up your game in the wilderness. It's a cheaper alternative to other, high-tech Venu models, but includes many of the same dependable features.

Garmin Fenix 7X Pro Solar Sapphire Edition: $899.99 $599.99 at Amazon
Save $300 This superb multi-sport watch combines plenty of health and fitness trackers with cable-free solar charging. Its vibrant display is made from sturdy sapphire glass, which is resistant to scratching and other damage you might encounter.

Garmin Instinct 2X Solar: $449.99 $299.99 at Amazon
Save $150 This solar-charging device uses Garmin's smart solar glass technology to boost its battery, so you can run, hike, and explore for longer. It's also got plenty of health trackers and a super-accurate GPS.

Garmin Forerunner 255 Music: £349.99 £199.99 at Amazon
Save $150 This great Garmin watch allows you to listen to music and podcasts as you run, as it's got loads of extra storage space. The watch itself features a slim design with a bright, always-on display, designed to be visible in the brightest sunshine.

Garmin Forerunner 55: £159.99 £118.17 at Amazon
Save £42 This simple and easy-to-use smartwatch is one of our favorite budget models. The Forerunner 55 costs a fraction of some other Garmin devices, but does the basics to a similar standard, tracking a useful range of health metrics, providing reliable GPS, and helping you train with multiple sports modes.

Garmin Vivoactive 5: £259.99 £173.99 at Amazon
Save $86 The Vivoactive 5 blends a sleek, minimalist design with loads of features suitable for the wilderness. There's also personalized sleep tracking and coaching, to help you rest well and recover properly after a long day on the trails.

Garmin Fenix 7X Pro Solar: £709.99 £533.99 at Amazon
Save £176 The adventure-ready Fenix 7X Pro Solar harnesses the power of the sun to charge using its power glass charging feature. The large and vibrant 1.4In display is protected by a resilient fiber-reinforced polymer case with a steel bezel.

Garmin Fenix 8: £949.99 £769 at Amazon
Save £181 The Fenix 8 is one of Garmin's latest and greatest top-end models. Along with loads of handy health trackers and sports modes, this high-tech watch has plenty of features suitable for outdoor use, including a powerful built-in flashlight.

Garmin Vivoactive 5: £182 £160.49 at Amazon
Save £21 The Garmin Vivoactive 5 comes with over 30 different sports modes to help you track your progress and smash that PB. Your stats are visible at all times of the day thanks to its super-bright and colorful AMOLED display.