41mm Steel Navigator w/ Date Automatic (SSNAV-D AUTO) on Nylon DEFSTAN

The 41mm Steel Navigator w/ Date Automatic (SSNAV-D AUTO) is the first ever Steel Navigator to feature a self-winding automatic movement. Packed with Swiss-precision and reliability, the SSNAV-D Auto is developed for pilots and everyday adventurers. The watch represents the continued lineage of Marathon’s original Steel Navigator, developed in partnership with the Kelly Air Force Base in 1986.