watchOS 6.1 (build 17S5083a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-10-23T17:10:21Z. The update package is 728.23 MB. This is a delta (partial) update that requires 5.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 34d9a14fca0794ecaf670bf34504600cb0ed97d2.zip.