Hamilton watch khaki navy sub auto chrono fathoming the depth of the inspiration behind the ultra modern hamilton khaki navy sub auto chrono means turning back the pages of the brands rich history to the year 1928 the ultra modern maritime masterpiece takes its shape from the iconic hamilton piping rock piece from that year even chosen by the new york yankees baseball team as their official timekeeper the spirit of the sea penetrates all aspects of the watchs design complementing water res