IWC's David Seyffer and Thomas Gaumann detail the history of the tourbillon, including IWC’s “Tourbillon school” which rose as a result of the quartz crisis and the activities of the IWC watchmaking school of the 70s and 80s.<hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>