Pulp Librarian on X: "Throughout the 1980s both Casio and Seiko continued to make LCD watches smarter. In 1980 Casio launched the Game-10, which let you play space invaders, as well as
New Unused Casio SL-880 Game Calculator Vintage Retro MG-880 Space Invaders | eBay
Watch History | Time killers: The strange history of wrist gaming
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Official CASIO Game Calculator SL-880-N / Business card size / 10 digits ** | eBay
Gadget Man - Episode 131 - Retro Gadgets - Part One - Casio MG-880 Music and Game Calculator - Matt Porter, The Gadget Man - AI, Technology News and Reviews
Index of /Museum/Calculator/KLMNO/MG-880
Casio Invaders : Drew Turpin : Free Download, Borrow, and Streaming : Internet Archive