IWC PILOT’S WATCH CHRONOGRAPH TOP GUN WATCH, 41MM BLACK DIAL, IW389401For the first time ever, IWC uses an in house movement from the 69000 calibre family for the popular TOP GUN Chronograph in black ceramic. During tortuous manoeuvres involving supersonic jets like the F A 18, pilots are subjected to high g forces. But also extended missions on aircraft carriers, where they are exposed to the humid, salt bearing sea air, put an enormous strain on both personnel and material. The TOP GUN Chronograph was developed using