watchOS 6.0 (build 17R5546f) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-07-30T17:09:25Z. The update package is 684.74 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: e1e5b167359701b1bf2a96bbbd101db6ddcca82c.zip.