Komfit Forstner and JB Champion used by NASA for Astronauts Speedmasters
Vintage Cool Hunter on Twitter: "#SpeedyTuesday is always a good day to give your fave @HODINKEE leather strap a rest and break out a nice old vintage NASA-issue JB Champion bracelet for
JB Champion USA gold vintage watch bracelet 17.3mm curved ends NOS 1960s/70s | eBay