Onr of my hobby's is watch collecting. I had an origional 1971 Omega Speedmaster NASA series (NASA official Moon watch on the back) these were one of the few watches worn in space.The rocket firing time was done on one of these watches (Apollo 13) and Neil Armstrong wore one on the moon.
http://www.chronomaddox.com/aldrin.jpg
Quartz and tuning fork watches did not pass NASA testing
http://www.omega-fanatic.com/pages/o.../moonwatch.php