For Prime Day Amazon is offering a whopping 43% discount on the Forerunner 255, bringing its price down to just $199 from its regular price of $349. This is the company’s best-selling product, and it has a 4.7 out of 5 rating and it can be purchased as a limited time offer that does not require a Prime membership.

Get an advanced fitness trackers and running watches for their lowest prices of the year before Amazon's big shopping holiday.

Sapphire Edition is now a massive 45% off and at its lowest-ever price ahead of Amazon Prime Day — but act fast, this deal will not last long.