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Casio's Stealth Tech: The 1987 TM-100 Watch with a Hidden FM Transmitter

Casio's Stealth Tech: The 1987 TM-100 Watch with a Hidden FM Transmitter

Decades before Bluetooth earbuds, Casio embedded a fully functional FM transmitter into a wristwatch. The obscure 1987 TM-100 allowed users to broadcast audio to nearby radios, blending timekeeping with wireless audio in a feat of miniaturization that remains unique in horological history.