One of the great things about smartwatches tied into an ecosystem is that it enables you to control some of the functionality of your connected smartphone - or other devices - from your wrist. That's certainly true of the Galaxy Watch 6 and Galaxy Watch 6 Classic when paired and connected with a Samsung phone.
How to use Camera Controller on the Samsung Galaxy Watch
With the Samsung Galaxy Watch 6, and older models, you can use Camera Controller to take photos with your Samsung phone.