I visited my local Tiffany to see them in person for myself. Good news and bad news. The good news is they had the black and I really liked it. It was not as matte as it appears on the website. I thought the finish was very nice. I liked both the black and the graphite ruthenium, but preferred the black.
The bad news is that they are way too big for me. I tried the small and the medium, and both are quite large and move around a lot. I didn't think there was any difference in circumference between the medium and the small, they both slid around the same amount. As I move my arm the cuff is in danger of falling off. I think I'm sized out of this. I'm really disappointed, I love the look so much.