watchOS 3.1.1 (build 14S5875b) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-11-15T21:08:22Z. The update package is 126.74 MB. This is a delta (partial) update that requires 3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a04f1058ff57ca7eec8091269c0ffd585ee3144b.zip.