Baselworld 2019 Best of Show, including a Plethora of Tourbillons and another World-Record By Frank Geelen 30/03/2019 11 min read
Baselworld 2019 Montres Karsten Frässdorf Spirograph Tourbillon Sport – a Unique Balance Wheel… By Xavier Markl 21/03/2019 5 min read
Independent Watchmaking Sitting at the Workbench with Karsten Frassdorf and an In-Depth Look… By Xavier Markl 04/08/2018 4 min read
Review Spirograph Tourbillon by Karsten Fräßdorf – a tourbillon for proper daily… By Frank Geelen 03/03/2018 9 min read
