WatchOS 6

watchOS 6 is the sixth major release of watchOS for the Apple Watch series developed and distributed by Apple Inc. It was announced at WWDC 2019 alongside iOS 13, iPadOS, tvOS 13 and macOS Catalina preceding a developer beta and released on September 19th to the general public of the same year. WatchOS 6 was the predecessor to watchOS 7 and the successor to watchOS 5.

Product history
watchOS 6 was derived from iOS 13; both were announced on June 3, 2019 at the 2019 Worldwide Developers Conference.

Supported models

 * Apple Watch Series 1 (limited support)
 * Apple Watch Series 2 (limited support)
 * Apple Watch Series 3
 * Apple Watch Series 4
 * Apple Watch Series 5