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
Casio TM-100 FM Transmitter Watch : r/cassettefuturism
The Best 80s watches? - Retrogeist
Casio TM-100 FM Transmitter Watch : r/cassettefuturism