Seiko Computer Watch Fun | Vintage Electronics Have Soul – The Pocket Calculator Show Website
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
Owner Review: Seiko Memo Diary UC-3000
VINTAGE SEIKO UC 3000 WATCH with Keyboard MINT | eBay
Seiko UC-3000 Price Guide & Market Data | WatchCharts