watchOS 3.1.1 (build 14S6883) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2016-12-05T17:59:47Z. The update package is 50.48 MB. This is a delta (partial) update that requires 3.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 48ced07d94db521044f55a83985487cfc43d35de.zip.