watchOS 6.0 (build 17R5532f) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-07-17T17:41:58Z. The update package is 692.92 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: 2384ace89299d7638bb24256b30da87f8ca6af42.zip.