Seiko 5 Military SNK805K2-var-NATOS15 Automatic Nylon Strap Men's Watch The Seiko 5 emphasizes heavily on legibility, taking cues from classic military designs of the WWII era. A simple glossy black dial with bold and bright hand and markings is highly readable under any outdoor condition; even at night for the bright lume Seiko is famous for. It’s a durable watch that will survive a lot of wear and tear without showing.