watchOS 3.2.3 (build 14V753) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-07-19T17:01:41Z. The update package is 31.41 MB. This is a delta (partial) update that requires 3.2.2 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: ad31a63562e0d9728661f540b9f5d028e8a23274.zip.