watchOS 6.0 (build 17R5532f) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-07-17T17:41:49Z. The update package is 693.21 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: abc5c0ac9d175d4dff9ac1ed09b96b65c97dae3e.zip.