In Chat in the Smartwatch, I tried to zoom the chat up to 200% (which I believe is the maximum zoom you can get) using the /zoom command and then zooming out the entire page to 50%. This results in a very tiny chat experience, as it is feels like a 100% zoomed chat but with the smartwatch image size reduced in half.

And I managed a little bit pushed towards the limit and zoomed a lot smaller than the maximum limit:

And if you’re wondering, this is what the chat looks like in a normal, regular 100% zoom:

But otherwise, you can make the chat as spacious as possible by making the smartwatch extra giant and zooming the chat up to its tiniest levels, although it results in largely cropped corners around (and I had to merge the screenshots together as it doesn’t fit fully on the screen):