![Ruth Ann Crystal, MD on X: "Casio TM-100 from Nerd Watch https://t.co/uHEA2nTfrM. It can transmit sound. (One way walkie talkie-esq?) @mhattikudur @mwichary @ruffian https://t.co/YdKkpzvtPX" / X Ruth Ann Crystal, MD on X: "Casio TM-100 from Nerd Watch https://t.co/uHEA2nTfrM. It can transmit sound. (One way walkie talkie-esq?) @mhattikudur @mwichary @ruffian https://t.co/YdKkpzvtPX" / X](https://pbs.twimg.com/media/C1mzbeuXEAA3JZ-.jpg)
Ruth Ann Crystal, MD on X: "Casio TM-100 from Nerd Watch https://t.co/uHEA2nTfrM. It can transmit sound. (One way walkie talkie-esq?) @mhattikudur @mwichary @ruffian https://t.co/YdKkpzvtPX" / X
Computer Love Records - Casio TM-100 Transmitter Watch Manufactured in 1987. You could use it to broadcast on an FM radio frequency. (📷: pocketcalculatorshow.com) | Facebook
![ULTRA RARE CASIO 66-1 TM100 FM TRANSMITTER WATCH, Men's Fashion, Watches & Accessories, Watches on Carousell ULTRA RARE CASIO 66-1 TM100 FM TRANSMITTER WATCH, Men's Fashion, Watches & Accessories, Watches on Carousell](https://media.karousell.com/media/photos/products/2021/2/5/ultra_rare_casio_661_tm100_fm__1612526374_08d8660a_progressive.jpg)
ULTRA RARE CASIO 66-1 TM100 FM TRANSMITTER WATCH, Men's Fashion, Watches & Accessories, Watches on Carousell
![Rare 1980's Casio watches GD-8 Car Race Game, TM-100 Transmitter, TC-50 Touch Calculator, Men's Fashion, Watches & Accessories, Watches on Carousell Rare 1980's Casio watches GD-8 Car Race Game, TM-100 Transmitter, TC-50 Touch Calculator, Men's Fashion, Watches & Accessories, Watches on Carousell](https://media.karousell.com/media/photos/products/2021/10/14/rare_1980s_casio_watches_tm100_1634225305_eb8184a2_progressive.jpg)
Rare 1980's Casio watches GD-8 Car Race Game, TM-100 Transmitter, TC-50 Touch Calculator, Men's Fashion, Watches & Accessories, Watches on Carousell
![The good old days of digital watch innovations. Its a cool watch which has a unique function of transmitting voice over FM frequency signal.. Hoping Casio will pop it up again someday… The good old days of digital watch innovations. Its a cool watch which has a unique function of transmitting voice over FM frequency signal.. Hoping Casio will pop it up again someday…](https://i.redd.it/3b4vqm80lte91.jpg)