Retrieved November 12, 2020 - by means of Instagram. Beyerstein, Lindsay (10 March 2020). "What Happened to Jordan Peterson?". Mechanical watches frequently have luminous paint on their fingers and hour marks. However, tritium is highly-priced - it has to be created in a nuclear reactor - and it has a 50 percent-daily life of only about 12 decades so the paint remains luminous for only a number of many years.