watchOS 3.2.3 (build 14V753) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-07-19T17:01:35Z. The update package is 278.04 MB. This is a delta (partial) update that requires 3.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 2922ce2a5806efb12ca1910da42a5a166de8a283.zip.