watchOS 6.1 (build 17S5068e) is an official Apple over-the-air update for the Apple Watch Series 5 (44mm, LTE), released on 2019-10-10T17:09:27Z. The update package is 358.78 MB. This is a delta (partial) update that requires 6.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f918ae61d74d1c187a75b184421cf46545d93594.zip.