watchOS 3.2.3 (build 14V5751a) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2017-06-26T17:13:43Z. The update package is 39.64 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: 46bfebfe9506bd73f0db65b97b3177b6e579dc71.zip.