Authentic NASA watchbands

One can read a lot of thoughts on watch forums about the provenance of "NASA Velcro" watchbands for the Omega Speedmaster, and many assume genuine OMEGA supplied ones were used on the U.S. space program. But to what extent did the companies most associated with the straps (Omega Watch Co. and American Velcro Inc.) have

To some contemporary consumers, the vintage hook and loop used in the authentically made NASA watch straps confounds expectations. While it is understood that the SEB12100030 specification is a historical document, it is not always appreciated how much we take for granted modern materials and construction methods compare to what was available in the 1960s.

I don't do logos, I try to keep it real. There is no "strap line" for these straps, just the authentic part and serial numbers, typed or stamped. So what do they mean? Quite a bit, as it turns out. But before diving in, some context: why the numbers to begin with?

The following NASA design drawing and links to military specifications, Federal Standards and Velcro Inc. part numbers form the basis of the sales description for the NASA watch straps sold on this site.