I had a Submariner when I was in the Army, and shortly thereafter until selling it to pay for college.
I was scuba certified and took it diving many times, including at Guantanamo Bay in Cuba which was simply stunning.
I was also a paratrooper in the 82nd Airborne Division and wore it on every jump, I think about 25 with the watch. I would put duct tape (aka 100mph tape) across the back of the band as an added safety measure, didn't want to drop my watch 1000' feet up.
My buddies thought I was nuts, but I bought the watch to wear.
Good for you: my sentiments exactly