![Seiko Vintage Sign Table Memo Data bank - ultra rare - 1983 for $756 for sale from a Private Seller on Chrono24 Seiko Vintage Sign Table Memo Data bank - ultra rare - 1983 for $756 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/28005782-thtjfbjaormhroh451mapryk-ExtraLarge.jpg)
Seiko Vintage Sign Table Memo Data bank - ultra rare - 1983 for $756 for sale from a Private Seller on Chrono24
![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 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](https://pbs.twimg.com/media/BxGLosaCEAAOmaE.jpg)
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 Vintage Sign Table Memo Data bank - ultra rare - 1983 for $756 for sale from a Private Seller on Chrono24 Seiko Vintage Sign Table Memo Data bank - ultra rare - 1983 for $756 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/28005782-fms2u8ew99bvwh61q0z78qlq-ExtraLarge.jpg)