You Can Change Your Ringtones 

The Apple Watch now comes with different ringtones. Before, you were stuck with pretty much the same ringtones and tones, but now you can choose different ringtones for your texts, calls, Calendar alerts, and more. There are many different sounds to choose from, and you can change them from your Apple Watch or iPhone.

If you’re on your iPhone, go to Watch App > Sounds & Haptics and select the alert you want to change.

On the Apple Watch, press the Digital Crown, go to Settings > Sounds & Haptics, and choose the alert you want to change.