watchOS 3.1.1 (build 14S5875b) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2016-11-15T21:08:31Z. The update package is 131.8 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: f5a8f0c7ffaa1293a6042708409a1a6619e8c4e6.zip.