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.

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 .

The Apple Watch Series 9 is currently available on Amazon for $358, a mega saving of 24% on the list price. It’s one of many bargains in Amazon’s Prime Big Deal Days, which runs across Oct. 8 and 9.