watchOS 3.2.3 (build 14V5726a) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-05-16T17:00:10Z. The update package is 44.42 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: c919987ba954209e588bfe60c6a07e94eceafe4d.zip.