Smartwatches and activity trackers are a dime a dozen these days, but there are a few brands that stand out. Apple Watch has cultivated a stellar reputation in the smartwatch category — and the upcoming Series 10 is rumored to come with some cool new upgrades — while brands like Fitbit have dominated the fitness tracking space.

The Apple Watch Series 10 improves on our favorite smartwatch with a bigger screen and new sleep health tracking, though not everyone needs to rush out and upgrade.

Prime Day starts tomorrow. We found the top deals on fitness trackers and smartwatches from brands like Apple, Garmin, Fitbit, and Samsung.

Garmin is dropping a major sale during Amazon's Prime Big Deal Days this week, with discounts as high as What makes Garmin's watches so great is the ability to deliver pinpoint accuracy inside a simple user interface.