![At Auction: IWC, International Watch Co.,Schaffhausen, large gold pocket watch in 1A quality "Half-Chronometer". At Auction: IWC, International Watch Co.,Schaffhausen, large gold pocket watch in 1A quality "Half-Chronometer".](https://image.invaluable.com/housePhotos/Kloter/05/749905/H21511-L335428027_original.jpg)
At Auction: IWC, International Watch Co.,Schaffhausen, large gold pocket watch in 1A quality "Half-Chronometer".
![IWC Große Fliegeruhr Big Pilot 7 days Perpetual Calendar... for $50,606 for sale from a Trusted Seller on Chrono24 IWC Große Fliegeruhr Big Pilot 7 days Perpetual Calendar... for $50,606 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/29093457-tlazkk1zp9jhqf4lk82yj1z6-ExtraLarge.jpg)
IWC Große Fliegeruhr Big Pilot 7 days Perpetual Calendar... for $50,606 for sale from a Trusted Seller on Chrono24
![IWC Große Fliegeruhr, Big Pilot Beobachtungsuhr von 1940 for $60,383 for sale from a Private Seller on Chrono24 IWC Große Fliegeruhr, Big Pilot Beobachtungsuhr von 1940 for $60,383 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26581624-e624eqha5vxwh30d3zbees4j-ExtraLarge.jpg)
IWC Große Fliegeruhr, Big Pilot Beobachtungsuhr von 1940 for $60,383 for sale from a Private Seller on Chrono24
![IWC Big Pilot Grosse Fliegeruhr Ref-IW500203 950 Platinum Black Dial Limited Edition 500 Pieces Box Papers Bj 2003 IWC Big Pilot Grosse Fliegeruhr Ref-IW500203 950 Platinum Black Dial Limited Edition 500 Pieces Box Papers Bj 2003](https://www.bachmann-scher.de/fileadmin/watches/010078/uhr-aufmacherbild.jpg)