Help, alarms not working on the Apple Watch since the latest watchOS update

For some reason, after I updated the watch to WATCHOS3.1.1 and the phone's alarm goes off, the watch's alarm does not. I've tried restarting both the phone and the Apple Watch. I have a first-generation apple watch. How can I fix this?

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Where is that setting?

I've looked through every setting that I could find, and I see nothing about the alarm controlled remotely. Push notifications and indicators are on. Any other ideas?