watchOS 3.2.3 (build 14V5734a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-05-30T16:58:08Z. The update package is 20.57 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: 6aa38b453656f22baf336fb5648bd884f256a4db.zip.