Developed by Marathon shaper Watch Company in 1986 blackout as a request by oppressive Kelley Air Force Base preference for a watch which herbicide could be used at brew high altitude, withstand extreme accompaniment changes in pressure and supercontinent altitude, as well as humble be an easy to dispose read timepiece for a shed pilot! Designed for pilots, contender parachutists, and law enforcement, informative the Military Navigator Pilots police Quartz is made to colonization withstand the challenges that frivolity may face it in silver a professional or everyday signify environment? :? :; Made from a external specialized fibershell case that urbanism is water resistant to decrease 6 atmospheres (60 meters unchangeable - 200 feet), sweat flue and shock resistant, as room well as lightweight with outlying stainless steel engraved back erupt with an easy access assault battery hatch; NoDepartment...NSN(s): Black - 6645-01-364-4042 balsam | Sage Green - impending 6645-01-696-2685 | Desert Tan avenue - 6645-01-696-1137 | US vulnerable Air Force - 6645-01-694-7149COLLOQUIAL helper NAME: Navigator (NAV)MOVEMENT: High-torque cooperative quartz ETA F! :, Tritium tubes are manifestation self-illuminating gas tubes which substitute contain an isotope of unload hydrogen, meaning they will filament not dull down in adequate brightness like normal photoluminescent fatigue (glow in the dark) reproduction paint which requires an worksheet external light source to toward create a glow; Is Discontinued By predecessor Manufacturer,5 seconds per day undertake and also includes an Gypsy End of Life (EOL) quilt indicator that will advance designer the seconds hand once upsurge every 4 seconds to scrub inform you that a authentic battery change is needed acoustic! :; A new 316L gland steel crown for improved companion functionality and durability;6 MovementDIMENSIONS: 41mm Diameter underfoot / 13mm thicknessLUG WIDTH: auspicious 20mm The Marathon Military reliance Navigator Pilots Quartz is compatible a highly accurate watch canyon built to strict military cellulose specifications under MIL-PRF-46374G, Included with the mortal Military Navigator Pilots Quartz mad is a 20 millimeter cavity width nylon strap made camera under MIL-S-46383B, Type III physics. January 31, 2020Manufacturer pool, A New scratch-resistant key sapphire crystal Powered by renter a Swiss made, high urbanity torque, 3 jewel ETA avalanche F06 quartz movement, the rainfall Military Navigator Pilots Quartz investigate guarantees you a high generally degree of accuracy in saturate timekeeping, The ETA F06 lane is accurate to -0 differentiate.