Before Smartwatches, There was the Seiko UC-2000 Wrist Computer, Here are 5 Cool Facts – TechEBlog
SEIKO UC-2000 UW01-0010 LCD Chronographe Alarme vintage watch quartz nos nouveau - EUR 773,27 | PicClick FR
SEIKO UC-2000 (1984) - the dawn of wearable computers | Inexhibit
SEIKO UC-2000 (1984) - the dawn of wearable computers | Inexhibit
Seiko UC-2100 Keyboard (UK01) | eBay
Retro: Seiko UC2000 Series Wrist Information System – TechBeach
SEIKO UC-2000 (1984) - the dawn of wearable computers | Inexhibit
European Society for Computer Preservation - The Seiko UC-2100 Keyboard module, with docking area for the wrist watch module, manual, and original package. | Facebook
Vintage Rare Seiko UC-2000 Wrist Information System | WatchCharts