How long does the Apple Watch last? If you take good care of it, your Apple Watch could function as well as it does today for years to come. Apple offers impressive support for their watches; even the Apple Watch Series 6 can run watchOS 11. While you might still be able to use the Apple Watch you bought in 2018, people typically notice their Apple Watches slowing down after two or three years of use. In this article, we'll cover everything you need to know about the Apple Watch's lifespan.