watchOS 2.2 (build 13V5117c) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2016-02-08T17:55:30Z. The update package is 43.11 MB. This is a delta (partial) update that requires 2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3f12889fd661ad1162586eb5f78afd90a204b388.zip.