watchOS 3.2.3 (build 14V5751a) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-06-26T17:14:43Z. The update package is 105.09 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: c3a9c99622196a5d43b2ad038b12508291fb9b5d.zip.