watchOS 6.0.1 (build 17R6605) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-09-30T17:15:20Z. The update package is 129.19 MB. This is a delta (partial) update that requires 6.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 19612c346493c34fa5b147722f25afc27e267495.zip.