watchOS 6.1 (build 17S5059e) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2019-10-02T17:10:39Z. The update package is 552.11 MB. This is a delta (partial) update that requires 6.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3edebf336073a88c52dadb421ed03e9836a002a2.zip.