Omega NATO strap Velcro , black O032CWZ011583Black VELCRO strap with Speedmaster Moonwatch and OMEGA logos, and polished stainless steel buckle OMEGA's connection to the Velcro strap dates back years and extends miles out into space. When astronauts first walked on the moon, their NASA qualified OMEGA Speedmaster watches were fixed to the wrist with Velcro straps. It made perfect sense. An easily adjustable bracelet is a must when you're wearing something as bulky as a spacesuit