Casio CMD-40 TV Remote - History of calculator watches and Watch review - YouTube
Casio CMD-40 Wrist Remote Controller Metallic Version - Etsy 日本
Vintage Casio 1174 CMD 40 Watch Made In Thailand | 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