IWC Ingenieur Automatic SL Khanjar Dial ref 3505 Steel and Gold Execution yellow Patek has upheld and refined

Patek has upheld and refined this tradition for nearly a century

The creamy colour of the Caramel straps' genuine leather matches its haptic qualities – with its gentle patina

shaped the modern sports watch segment

This rare Tudor will come on a Bulang and Sons strap and has been fully serviced by our watchmaker

It is tanned in a labor-intensive process that takes up to six weeks

IWC Ingenieur Automatic SL Khanjar Dial ref 3505 Steel and Gold Execution yellow Patek has upheld and refinedThe IWC Ingenieur has always been a watch shaped by its time. Originally conceived by IWCs technical director, Albert Pellaton, the Ingenieur was developed as a response to the growing presence of electronics. Its soft iron inner cageessentially a Faraday cageprotected the movement from magnetism, while the efficient Pellaton winding system ensured reliability. A true technical watch, created with purpose. By the 1970s, the watch world was changing.