watchOS 3.2.3 (build 14V5744a) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-06-13T16:59:15Z. The update package is 233.4 MB. This is a delta (partial) update that requires 3.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5d7990256fccb9e3cf9e1a5676bc3273c71a914d.zip.