watchOS 5.0.1 (build 16R6381) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-09-27T20:09:00Z. The update package is 492.51 MB. This is a delta (partial) update that requires 5.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bef51461e8230bd0b6dcbc8e7c10de50b2463717.zip.