How Are Jack Nicklaus, Paul Newman and Steve McQueen Linked?

The video discusses the auction of a watch, with proceeds going to a Children's Hospital. It compares the auction to those of famous figures like Paul Newman and Steve McQueen. The watch has a rich personal history, having been worn in numerous tournaments. The auction will take place in New York, with a worldwide tour preceding it.

What percentage of the proceeds from the auction will go to charity?

What events were mentioned where the watch was displayed before the auction?