What's a NATO setup? A conventional strap is in two pieces, so if one pin attaching it to the watch body fails you lose the watch. A NATO strap loops under bot

What's a NATO setup? A conventional strap is in two pieces, so if one pin attaching it to the watch body fails you lose the watch. A NATO strap loops under both pins as a single piece, so if one pin fails, the watch is still attached by the other. 99% of people you see wearing a NATO strap will never be in a situation where they might have this problem mind you!