watchOS 6.0 (build 17R5507l) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-06-17T17:11:01Z. The update package is 685.58 MB. This is a delta (partial) update that requires 5.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2080fda44c53561a95e7c042491ad4a9fb1892ff.zip.