watchOS 3.2.3 (build 14V6753) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-07-19T17:01:12Z. The update package is 46.3 MB. This is a delta (partial) update that requires 3.2 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 43f34f42c62be3cabe903f87eaa4427579f9c093.zip.