![Kurt Klaus, the inventor of the ingenious autonomous IWC perpetual calendar mechanism turned 80. – Watch-Insider.com Kurt Klaus, the inventor of the ingenious autonomous IWC perpetual calendar mechanism turned 80. – Watch-Insider.com](https://watch-insider.com/wp-content/uploads/2014/10/12_Kurt-Klaus_1941.jpg)
Kurt Klaus, the inventor of the ingenious autonomous IWC perpetual calendar mechanism turned 80. – Watch-Insider.com
![IWC Da Vinci Perpetual Calendar Edition Kurt Klaus Chronograph IW3762-07 Luxury Watch Review - YouTube IWC Da Vinci Perpetual Calendar Edition Kurt Klaus Chronograph IW3762-07 Luxury Watch Review - YouTube](https://i.ytimg.com/vi/HVh_Ro59Oro/maxresdefault.jpg)
IWC Da Vinci Perpetual Calendar Edition Kurt Klaus Chronograph IW3762-07 Luxury Watch Review - YouTube
![IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $24,638 for sale from a Private Seller on Chrono24 IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $24,638 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/9144720-n6ex6u9ekfc8yza4zazhg1c7-ExtraLarge.jpg)
IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $24,638 for sale from a Private Seller on Chrono24
![IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $24,638 for sale from a Private Seller on Chrono24 IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $24,638 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/9144720-9055zuneorw75q4q7rhs1698-ExtraLarge.jpg)