watchOS 6.1 (build 17S5068e) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-10-10T17:09:04Z. The update package is 1.36 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b09ae0dce27d8e3cca2b411600d64e566bc2187e.zip.