Seiko Prospex Lowercase SBEP011 Solar 200M Men's WatchSeiko Prospex Lowercase SBEP011 Solar 200M Men's Watch The Seiko Digi Tuna is typically the Tuna but with a digital interface. This JDM only piece sports a shroud the analog Tuna alike, which makes it an oddity, but thats not the only reason that it has and still is, making waves in both the fashion and adventure world. The digits are clear, the watch is as reliable and robust under both pressure and temperature variation just like Tuna analog, the