IWC Fliegerchronograph chrono Pilot b&pThe IWC Fliegerchronograf Ref. 3706 sits at the core of IWCs return to functional pilot chronographs in the 1990sa distilled successor to the military Mark XI philosophy: legibility first, ego never. Introduced in 1994, the 3706 became the brands modern tool watch benchmark, a watch built when IWC still engineered for pilots rather than lifestyle catalogues. Inside beats the Valjoux based cal. 7922, heavily reworked by IWC with upgraded regulation,