watchOS 3.2.3 (build 14V5726a) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-05-16T17:00:07Z. The update package is 41.64 MB. This is a delta (partial) update that requires 3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bf8426c8c4e441fd9f2103beb8ac8919175754c6.zip.