Marathon Watch 41mm Official USMC Desert Tan Pilot's Navigator with Date color-general-purpose-mechanical-with-tritium-gpm-in-stainless-steel-sterile Screw-down crown in 18k yellow

Screw-down crown in 18k yellow gold with Rolex emblem

Rotating steel bezel with black PVD coating

Black dial with luminescent hands

Screw-down crown with Tudor emblem

Marathon Watch 41mm Official USMC Desert Tan Pilot's Navigator with Date color-general-purpose-mechanical-with-tritium-gpm-in-stainless-steel-sterile Screw-down crown in 18k yellowThe Pilot's Navigator with Date (NAV D) is a navigator that has been modified from the standard issue version. It features a unique red tipped second hand and a date complication positioned at 4: 30 on the dial. Marathon Navigator (NAV) watches were originally developed in partnership with Kelly Air Force Base in 1986. The NAV Series consists of timepieces engineered to stand up to the rigours of high altitude flight and even possible ejection from a