watchOS 3.2.3 (build 14V5751a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-06-26T17:13:56Z. The update package is 19.08 MB. This is a delta (partial) update that requires 3.2.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 076aef0f297b3c2aafad3cbf401469156c30c1b2.zip.