Seiko Vintage Sign Table Memo Data bank - ultra rare - 1983 for $761 for sale from a Private Seller on Chrono24
Seiko D409-5009 1982 Sign Table Digital Memory Watch | WatchCharts
RARE Vintage Seiko D409 5009 Side Table Digital Watch 1980s - Etsy Norway
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 - D409-5030 AO. - Digital - Vintage Digital Watch - Digital-Watch.com