Marathon Pilot's Navigator with Date - 41mm No Government Markings Black WW194013-S-BK-A

The Navigator Class of Wristwatches were developed in partnership with Kelly Air Force Base in 1986. The Navigator issued today was last revised in 2019 with the addition of a sapphire crystal, steel crown and crystal retaining ring, as well as an easy-access battery hatch. Featuring a high-torque movement, with an EOL (end-of-life) indicator to notify you when it is time to change your battery; tritium tubes at the hour markers as well as on hour and minute hands, to deliver superior legibility, day or night; a 41mm high-impact composite fibreshell case for ultra-light durability; and a 12-hour bi-directional bezel.