The "Omega Speedmaster Professional Chronograph" was the very first watch around the moon, worn by Neil Remedy and Buzz Aldrin. Armstrong's watch has become displayed in the National Air and Space Museum in Washington D.C. Aldrin's is thought lost. He mentions in the book, Go back to Earth, that after giving several products towards the Smithsonian Institution, his Omega was among the couple of stuff that was stolen from his personal effects