watchOS 3.2.3 (build 14V5726a) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-05-16T16:59:56Z. The update package is 277.69 MB. This is a delta (partial) update that requires 3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f460d8be67dfb4d002a31744f8118a3adf08d551.zip.