It's nearly the end of the road for the Apple Watch Series 4, which was added to Apple's public-facing vintage products list ...

This includes the aluminum and stainless steel versions in 40mm and 44mm sizes. Apple Watch Series 4 was announced in September ... eligible for repairs when parts are available.

This includes both the aluminum and stainless steel versions of both 40mm and 44mm variants of the Watch Series 4 ... repairs at Apple and Apple Authorized Service Providers if parts are available.