watchOS 3.2.3 (build 14V6753) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-07-19T17:01:15Z. The update package is 30.4 MB. This is a delta (partial) update that requires 3.2.3 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: e1a81710392c21c0ba8b3f19c29b8bdac4c7b4a1.zip.