Before Smartwatches, There was the Seiko UC-2000 Wrist Computer

Before Smartwatches, There was the Seiko UC-2000 Wrist Computer, Here are 5 Cool Facts
Before smartwatches, there was the Seiko UC-2000 wrist computer. This wearable computer may look advanced, but it was only capable of storing 2K of data, telling the time, and performing calculator functions. The gadget made its debut in 1984, and retailed for $300 ($689.04 in today's dollars). What you're looking at above is the UC-2000 mounted in its keyboard. 5. Massive UC-2200 Dock was Available UC-2000 owners could have also purchased the UC-2200, an advanced keyboard that included a spool-fed printer, 4K of RAM and a 26K of ROM via a plug-in Application ROM pack (Microsoft Basic) - other ROM