watchOS 6.0 (build 17R5521e) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-07-02T18:09:48Z. The update package is 693.68 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: 0054aa612f534ab412426f8a1c042020d73235a8.zip.