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 762.03 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: 08a421e52aaf14e07ddda533b6cfd2b1c6b935b0.zip.