watchOS 6.1 (build 17S5068e) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-10-10T17:07:28Z. The update package is 608.94 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: df0e0721879656c7fa86a7472875ebef3536a46a.zip.