Retrieved November 12, 2020 - via Instagram. Beyerstein, Lindsay (10 March 2020). "What Happened to Jordan Peterson?". Mechanical watches normally have luminous paint on their fingers and hour marks. However, tritium is highly-priced - it has to be designed in a nuclear reactor - and it has a fifty percent-lifestyle of only about twelve yrs so the paint continues to be luminous for only a few yrs.