Casio CMD-40 for $558 for sale from a Private Seller on Chrono24
Casio CMD-40 TV Remote - History of calculator watches and Watch review - YouTube
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
Vtg Casio Cmd-40 1174 TV Remote Controller Calculator Watch Manual Baterry for sale online | eBay