Marathon USAF Pilots Navigator Watch Black NSN 6645-01-694-7149 WW194001BK-1003. They wanted a watch which could be used at high altitude withstand extreme changes in pressure and altitude as well as be an easy to read timepiece for a pilot. Marathon...
Marathon USAF Pilots Navigator Watch Black NSN 6645-01-694-7149 WW194001BK-1003. They wanted a watch which could be used at high altitude withstand extreme changes in pressure and altitude as well as be an easy to read timepiece for a pilot. Marathon...