X - Casio FM-Voice Transmitter TM-100 For SPARE PARTS / REPAIRS - G-Shock Vintage
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
X - Casio FM-Voice Transmitter TM-100 For SPARE PARTS / REPAIRS - G-Shock Vintage
Casio TM-100 Transmitter watch review - Ep 47 - Vintage Digital Watches - YouTube