Seiko 5 Sports Black Dial Automatic SNZG15J1-var-NATO8 100M Men's Watch The versatile styling of the Seiko 5 Sports SNZG makes it an ideal daily-wear watch; more so, for its different-than-usual NATO strap. It is an obvious addition to any watch nerd’s collection and also the perfect buddy for anyone getting started with mechanical watches. It holds up to higher standards of excellence with its horological roots dating back to the late 1800s.