Seiko Watch Memory Digital Rare D409-5009 Gold Tone Working 1970s - Ruby Lane
Seiko Vintage Sign Table Memo Data bank - ultra rare - 1983 for $756 for sale from a Private Seller on Chrono24
Seiko Watch Memory Digital Rare D409-5009 Gold Tone Working 1970s - Ruby Lane
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