A Frogman does NOT deserve to be put on a Zulu or NATO. The expressional design f the Frogman is created not only by the bezel but also by the asymmetric strap.
There are several ways to secure a Zulu/ NATO. Either way there are no ends hanging loose or getting in the way. Diver use NATOs for fastening watches and other equipment over a wetsuit. Normally straps are too short for this matter.
As on the topic:Zulus and NATOs are said to be the most secure way to fit a watch- no wonder issued mil-watches have this kind of strap. After all NATO and Zulu already refer to military
Question is: will you ever get into such a situation that you could loose your watch?
ALL Diver's watches from Citizen and Seiko come either in rubber or metal bracelet versions. If the failing of springbars would be a matter they surely would offer such option- since they are the leading sellers in this section!
"You get out of water and all is dry - except for the textile strap.."