watchOS 5.0 (build 16R5360a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-08-24T17:13:49Z. The update package is 611.11 MB. This is a delta (partial) update that requires 4.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 69b82e5390dac84b191565f29fba3b979f99e552.zip.