Casio CMD-40 TV Remote - History of calculator watches and Watch review - YouTube
vintage CASIO CMD-40 MOD 1174 wrist remote controller calculator watch japan | eBay
Got a Casio CMD-40-1174! The only two corners I have are that the Power button won't work and the sound doesn't work either. Some advice is always appreciated from the enthusiasts and helpers on this sub! : r/casio
USED CASIO (1174) CMD-40 REMOTE CONTROLLER DIGITAL WATCH FOR PARTS & REPAIRS | eBay