How do you make a paracord watch band?

WHAT YOU’LL DO
Melt both ends of the paracord with the lighter. Wrap the paracord around a wrist comfortably and mark it. Loop the cord through the female end of the buckle and draw tight. Pass both cords though the pins and under the watch. Pass the long and short codes back through the pins and under the watch.

What is Zulu strap?

ZULU straps are often confused with NATO straps. ZULU strap have only 1 long strap, made of thicker nylon cloth, and has beefy rounded buckles. NATO straps have an additional strap that slides through 2 lugs, in order to have 2 straps of nylon under the watch, instead of one. Fjordson straps are NATO. (Source).