 The Atmos Clock is a timepiece of near-perpetual movement needing no human intervention and almost no energy.Invented by Swiss engineer Jean-Léon Reutter in 1928 in Neuchâtel, the Atmos clock has been the Swiss government's official gift for important guests since 1950.Patented in 1928, the first version – known today as the Atmos 1 – was marketed by La Compagnie Générale de Radiologie (CGR) in 1930.