Radium Dial Question

[mjolnir2thor]

Greetings watch buds!

I've been doing some reading about Rolex dials and the use of Radium as a source of illumination on the submariner. From what I have learned, radium was used until 1962 where they then began using a less radioactive mixture. These Rolex dials (circa 1962 to 1963) were identified with a dot or a silver underline on the face of the watch. See link to article below:

https://magazine.bulangandsons.com/t...bmariner-7928/

So being a newbie, my questions are...

1. Are the radium timepeices a safety concern and should be avoided for daily casual wear?
2. For those transition models (e.g., underline/dot dials) is there a safety issuing with these timepieces? I would think the potential risk is less given the lower radiation level.

As always, your input/comments are appreciated.