Fitness tracker deals that match Amazon prices, and some even blow them out of the water — but act fast, these huge discounts will not last long.

Apple's September Glowtime event introduced the world to the Apple Watch 10, the latest version of its incredibly popular smartwatch. Less than a month later, not only can you buy the Watch 10, but it's already on sale for Prime Day .

Get the best price on whichever Apple Watch model you're after this year. Generally speaking, an older watch means a lower price, but also fewer features.