watchOS 5.2 (build 16T225) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-27T22:03:19Z. The update package is 440.18 MB. This is a delta (partial) update that requires 5.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 08405c23b6099e54cc9c2f49542340709d21484f.zip.