A watch developed for pilots and everyday adventurers. The 41MM SSNAV-D AUTO represents our continued lineage to the original Steel Navigator, created in partnership with the Kelly Air Force Base in 1986. Get a piece of your own military-grade gear with Marathon. Shown here: 41MM SSNAV-D AUTO . . . #marathon #marathonwatches #bestinthelongrun #watches #watchgram #purposebuilt #watchesoftheday #lovewatches #watchesofig #watchcollection #watchoftheday #watchaccessories