1965, June 1, Gemini IV rookie astronauts Edward “Ed” White and James “Jim” McDivitt listened to results of their medical checkup, two days before launch. Both astronauts wore a NASA-issued Omega Speedmaster 105.003 chronograph, McDivitt on a khaki velcro strap and White on a steel mesh JB Champion bracelet. That same day, after 4 months of rigorously testing 3 watch brands, NASA’s Gemini & Flight support procurement office adopted the Omega Speedmaster as its official flight-qualified time piece, which became known as the “Moonwatch” in July 1969. (Photo: NASA)








