Seiko Watch Memory Digital Rare D409-5009 Gold Tone Working 1970s - Ruby Lane
Vintage 1980s Seiko Sign Table D409-5009 Memory Digital LCD Men's Watch Working | WatchCharts
Benj Edwards on Twitter: "Seiko D409 (1983), the first mass-produced databank watch, could store 112 chars in memory. Users typed via stylus. http://t.co/x1N7qyikjh" / Twitter
Seiko D409-5010 | Liquid Crystal
Seiko D409-5009 1982 Sign Table Digital Memory Watch | WatchCharts
Seiko Watch Memory Digital Rare D409-5009 Gold Tone Working 1970s - Ruby Lane