I want to acknowledge these sources during my amateur research to get my facts straight in random order
Professor Pierre-Yves Donze, various works
Professor Ryan Raffaelli, various works
Carlos Perez, TimeZone
Paul Boutros
Time and Watches
Peter Chong, Deployant
Edward Kiersch, Cigar Aficionado
Elizabeth Doerr, Quill and Pad
Richemont archives
Peter Passell, New York Times
Simon de Burton, Financial Times
Federation of the Swiss Watch Industry FH
Watch Collecting Lifestyle
Arthur Touchot, Haute Time
Miguel Seabra, WorldTempus
Quentin Simonet, Haute Horlogerie Journal
Ashok Som & Christian Blanckaert, The Road to Luxury
RM Whiteside, Medium Companies of Europe
Tim Barber, The Telegraph