watchOS 6.0.1 (build 17R605) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-09-30T17:15:14Z. The update package is 691.41 MB. This is a delta (partial) update that requires 5.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6ef3266383df351b5b3fb5d267e38e74da4d4f35.zip.