In your choice, you should also consider the binocular stand, your experience and how good your sight is. Also, with that money, you can also buy this telescope. With it, you can also see all the Messier objects. I have SkyWatcher 10 ", and I am quite satisfied with it. For cheap, but good telescopes, look at this site.
I haven't quite answered your question, but I think, that this will open more options.
Also, as @Mick has mentioned, this question is quite similar to yours, but you've said how to see Saturn and other objects in the night sky, so I searched for a link for these other objects. If I'd have 400 bucks, then I'll definitely go for a telescope.
Hope this helps!
Try to buy as fast as you can because Saturn can be seen earlier and earlier in the evening. Now (middle of Juny 2020) it is observable at approximately 00:00—morning, but soon, it will be observable at 21:00!