I too have both. Common sense tells me that since the Watch Six is thinner, it should be the more comfortable one. But it's not in my opinion. I really can't explain it but whenever I wear my VMII G26, I would always tell myself "MAN, THIS JUST FEELS RIGHT!!"
Watch Six - G26
I need to take a picture of my VMII with the G26 but here's another one with my 442
