watchOS 6.0 (build 17R6575) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2019-09-11T18:35:52Z. The update package is 436.89 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: af2bbd018830978afbb3734ffde2844e4f416ac9.zip.