watchOS 5.2 (build 16T5222a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-11T17:11:00Z. The update package is 121.32 MB. This is a delta (partial) update that requires 5.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 183d36517123330313f9cc9916d45a49bec2853d.zip.