Big Pilot Heritage Ref. IW501004 Chronograph This celebrated reference marked a

This celebrated reference marked a bold departure from tradition

and enduring appeal

The patented annual calendar featuring day

this timepiece features 40ct of dazzling diamonds pavé set throughout the entire case and dial

Originally designed for the Datejust

Big Pilot Heritage Ref. IW501004 Chronograph This celebrated reference marked aIt started in 1940 when IWC produced 1,000 military navigators watches. These oversized B Uhr watches had distinctive dials and pocket watch movements converted to central seconds to be used for military applications. In 2002, IWC introduced a new automatic movement and modified it to central seconds. The result was a contemporary take on the classic B Uhr watch, dubbed the "Grosse Fliegeruhr" or Big Pilot's Watch (model number 5002). This exceptional