Casio Game 10 for C$485 for sale from a Private Seller on Chrono24
Casio Game 10 - YouTube
Vintage Rare Casio 165 GAME-10 GM-10 Watch for Parts | eBay
CASIO GM 10 MISSILE GAME WATCH - YouTube
Vintage Casio 685 GF-2 Scramble Fighter Game Men's - Etsy
The Casio Game-10 watch, released in 1980 (only 8 years after the first electronic digital watch was released!), let you play a three-line version of Space Invaders : r/interestingasfuck
Casio 165 GAME-10. First watch ever made with an intrgrated game, all were manufactured between 1980 and 1982. Found it in a bag of other cheap watches in my mother-in-law's closet. :
Casio Game 10
CASIO GAME-301 Mens wrist watch for parts/repair. | eBay