Apple's second developer beta of watchOS 26 is causing major problems for owners of the premium Hermes edition Apple Watch.

If you have an Hermès Apple Watch model, you're going to want to avoid installing watchOS 26 beta 2. According to Apple's ...

For one specific line of Apple Watches, the Hermès editions, simply installing the second beta is enough to cause continuous ...

Reports from MacRumors readers suggest that updating to iOS 26 beta 2 causes problems with the Hermès Apple Watches. Users ...

Users of the Apple Watch Hermès report problems with the latest watchOS beta. Apple has a clear recommendation.

The instruction was issued in Apple’s watchOS 26 beta 2 release notes. There, Apple included the following cautionary advice: “Apple Watch Hermès crashes continuously if updated to watchOS 26 beta 2.

The Apple Watch Hermès is one of the best Apple Watches, but if you own one, you’ll definitely want to avoid installing the watchOS 26 beta 2 upgrade for now. That’s because Apple has warned ...

Known Issues: Apple Watch Hermès crashes continuously if updated to watchOS 26 beta 2. It is advised that these users do not update to beta 2. (152604139) For now at least, that’s all we get.

If you have the original Apple Watch or the Series 1, you shouldn't swim with it at all. If you have the Series 2 and newer however, swimming with it in a pool or ocean is fine.