watchOS 6.1 (build 17S5068e) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-10-10T17:08:07Z. The update package is 518.92 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: 33a9c4c870fbaab194e84ba2a6728286f0659922.zip.