watchOS 6.1 (build 17S5068e) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-10-10T17:07:39Z. The update package is 497.8 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: a24f885a28df9a85b2db95aa85e63c108aaafd87.zip.