watchOS 3.2.3 (build 14V5726a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-05-16T16:59:36Z. The update package is 39.7 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: 64e920122e251f0da4464b8a31f537f32bcbbecd.zip.