each Motif or design fits a specific purpose:
This is one of the standard patterns for dress watches.
With large holes near the lugs, the strap is intended for racers.
A very subtle pair of ridges on the strap adds a sporty nuance to the watch.
Bold-colored stitches along the edges of a leather strap add a unique touch.
Pilot straps are simple leather straps with a pair of rivets near the lugs to ensure a firm grip.
Popularized by the Royal Air Force in the 1970s, NATO or G10 refers to the styling of fabric straps with buckles and keepers to ensure a firm grip. Nylon is often used for NATO straps. Meanwhile, ZULU is actually a brand that sells NATO straps with a thicker band (sometimes leather) and rounded hardware.