watchOS 6.1.1 (build 17S5433b) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-11-05T18:17:43Z. The update package is 170.23 MB. This is a delta (partial) update that requires 6.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: acf6db1940e587308504d18c48bbdb11b52dba03.zip.