Meanings of radium dial in English

He looked at the old radium dial clock on the night table and reached and picked up the phone.

Reg had sold their TV to Goodwill for twenty dollars, he said, and his wristwatch with the radium dial was long gone.

The sound was a wrist alarm; he pressed the button on his watch and squinted at the second radium dial of his two-zoned instrument.

In 1993, the San Francisco Regional Water Quality Control Board wrote the Navy about possible 1950s-era "disposal of radium dials," public records show.