Now the most precise watch in the Marathon electric watch lineup, the Steel Navigator w/ Date features an accuracy of ± 10s/year, operating at 32’768 Hz. This is made possible by the combination of ETA’s HeavyDrive and PreciDrive quartz technology, as well as customizations specifically for Marathon. #MarathonWatch #BestInTheLongRun #SSNAV #SteelNavigator #ToolWatch #MilitaryWatch #PilotsWatch #NewWatch #SwissQuartz #ETAF06 #V8 #WatchCollector #WatchEnthusiast #PilotGear #ParachuteGear #MilitaryGear