watchOS 6.0 (build 17R6575) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-09-11T18:35:32Z. The update package is 436.71 MB. This is a delta (partial) update that requires 6.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3a4298f256520cd71a9eeb4ef15374bda8489a20.zip.