WatchLocker - #ThrowBackThursday SEIKO UC-3000 MEMO-DIARY This is a 1st Generation "Smart Watch" (or "Computer Watch" as they were known then) from around 1985. | Facebook
Working Gold SEIKO Data UC-3000 UW02 LCD Computer Memo Diary Watch w Keyboard | eBay
Seiko UC-3000 – My Retro Watches
Seiko UC-3000 watch with the UC-3100 keyboard - Album on Imgur
Rare Vintage Digital Seiko Memo Diary UC-3000, Men's Fashion, Watches & Accessories, Watches on Carousell
Seiko UC-2000 The "origin" of smartwatch - YouTube
SEIKO MEMO DIARY UC-3000 UC-3100 - YouTube
Seiko Computer Watch Fun | Vintage Electronics Have Soul – The Pocket Calculator Show Website