![IWC | REFERENCE IW3762-04 DA VINCI 'KURT KLAUS' A LIMITED EDITION STAINLESS STEEL TONNEAU SHAPED AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH CHRONOGRAPH AND MOON PHASES, CIRCA 2009 | Watches | 2020 | Sotheby's IWC | REFERENCE IW3762-04 DA VINCI 'KURT KLAUS' A LIMITED EDITION STAINLESS STEEL TONNEAU SHAPED AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH CHRONOGRAPH AND MOON PHASES, CIRCA 2009 | Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/fb3ba33/2147483647/strip/true/crop/2000x1442+0+0/resize/385x278!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F79%2Faf%2F6d1eecb44121ad96d76a13785ad3%2Fn10326-bmtz6-42-6.jpg)
IWC | REFERENCE IW3762-04 DA VINCI 'KURT KLAUS' A LIMITED EDITION STAINLESS STEEL TONNEAU SHAPED AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH CHRONOGRAPH AND MOON PHASES, CIRCA 2009 | Watches | 2020 | Sotheby's
![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/2014/10/06_Kurt-Klaus_Portrait_IWC-Schaffhausen-Headquarter.jpg)
Kurt Klaus, the inventor of the ingenious autonomous IWC perpetual calendar mechanism turned 80. – Watch-Insider.com
![IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $22,851 for sale from a Private Seller on Chrono24 IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $22,851 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/9144720-9055zuneorw75q4q7rhs1698-ExtraLarge.jpg)
IWC Kurt Klaus Limited Edition - Da Vinci Perpetual Calendar for $22,851 for sale from a Private Seller on Chrono24
![IWC Schaffhausen IW376207 Da Vinci Perpetual Calendar Edition Kurt Klaus Silver Plated Index Stainless Steel Black Leather 43.1 x 51 mm Automatic IWC Schaffhausen IW376207 Da Vinci Perpetual Calendar Edition Kurt Klaus Silver Plated Index Stainless Steel Black Leather 43.1 x 51 mm Automatic](https://www.jaztime.com/media/catalog/product/cache/1/image/1000x1231/17f82f742ffe127f42dca9de82fb58b1/i/w/iw376207.jpg)
IWC Schaffhausen IW376207 Da Vinci Perpetual Calendar Edition Kurt Klaus Silver Plated Index Stainless Steel Black Leather 43.1 x 51 mm Automatic
![Celebrating Leap Year with the Ultimate Modern Perpetual Calendar: IWC's Da Vinci Perpetual Calendar Edition Kurt Klaus - Grail Watch Celebrating Leap Year with the Ultimate Modern Perpetual Calendar: IWC's Da Vinci Perpetual Calendar Edition Kurt Klaus - Grail Watch](https://grail-watch.com/wp-content/uploads/2016/02/02_Da_Vinci_Perpetual_Calendar_Edition_Klaus_-_Back.ecce77e62c153ca40f2bcc7555883d23.jpg)
Celebrating Leap Year with the Ultimate Modern Perpetual Calendar: IWC's Da Vinci Perpetual Calendar Edition Kurt Klaus - Grail Watch
![IWC | REFERENCE IW3762-04 DA VINCI 'KURT KLAUS' A LIMITED EDITION STAINLESS STEEL TONNEAU SHAPED AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH CHRONOGRAPH AND MOON PHASES, CIRCA 2009 | Watches | 2020 | Sotheby's IWC | REFERENCE IW3762-04 DA VINCI 'KURT KLAUS' A LIMITED EDITION STAINLESS STEEL TONNEAU SHAPED AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH CHRONOGRAPH AND MOON PHASES, CIRCA 2009 | Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/f31aee7/2147483647/strip/true/crop/2000x2000+0+0/resize/385x385!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fde%2F0f%2F302aeff445948040c9888944c5d0%2Fn10326-bmtz6-42-2.jpg)