watchOS 6.1 (build 17S5059e) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-10-02T17:10:31Z. The update package is 431.54 MB. This is a delta (partial) update that requires 6.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4a3a0b46d3a30d198f24b8fc0d58fe4810cd690f.zip.