watchOS 5.3.2 (build 16U6611) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2019-09-26T17:09:52Z. The update package is 99.18 MB. This is a delta (partial) update that requires 5.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eb483dd3ee37b21b4550553e8e5287dc33fb4e5f.zip.