Seiko UC-2000 Wrist Information System – Old Crap Vintage Computing
Update on Seiko UC 2000/2100 | The Watch Site
Seiko Originals: The UC-2000, A Smartwatch from 1984 – namokiMODS
Seiko UC-2000 Wrist Information System 3-Piece Set (UC-2000, UC-2100, UC-2200) | WatchCharts
Seiko UC-2000 The "origin" of smartwatch - YouTube
Seiko Computer Watch Fun | Vintage Electronics Have Soul – The Pocket Calculator Show Website
European Society for Computer Preservation - The Seiko UC-2100 Keyboard module, with docking area for the wrist watch module, manual, and original package. | Facebook
Seiko UC-2000 Wrist Information System – Old Crap Vintage Computing
Seiko Originals: The UC-2000, A Smartwatch from 1984 – namokiMODS