Apple Watch Series 4

The Apple Watch Series 4 was a 5th generation smartwatch designed and produced by Apple Inc. The watch was released on September 21, 2018, along with the iPhone XS and iPhone XR at Apple's annual September event in the Steve Jobs Theater. It succeeded the Apple Watch Series 3.

Features
The Series 4 came in two sizes like all the other models: a 38mm and a 42mm case size with matching band sizes for both. Cases were also available in stainless steel.