watchOS 6.0 (build 17R5571a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-08-21T17:10:11Z. The update package is 774.18 MB. This is a delta (partial) update that requires 5.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f16a4dff05bc17353ceec8701c5ca582184b32b2.zip.