The IWC Pilot’s Watch Chronograph Spitfire was introduced in 2004 as a more luxurious take on IWC’s iconic pilot’s chronograph. Dial and movement remain the same; the dial is however more elaborate, with applied numerals and various textures. The hands are now of the alpha / sword style. The 3706 Spitfire exists with either a black or silver dial, a choice of languages for the date disc, and either a leather strap or stainless steel bracelet. Early versions use the caliber 7922; later models employ the 79320.For the Silver dial, following versions exist;Reference IW3706-21 has a silver dial, German disc, and alligator strap.Reference IW3706-22 has a silver dial, Italian disc, and alligator strap.Reference IW3706-23 has a silver dial, English disc, and alligator strap.Reference IW3706-24 has a silver dial, French disc, and alligator strap.Reference IW3706-25 has a silver dial, Spanish disc, and alligator strap.Reference IW3706-26 has a silver dial, German disc, and stainless steel bracelet.Reference IW3706-27 has a silver dial, Italian disc, and stainless steel bracelet.Reference IW3706-28 has a silver dial, English disc, and stainless steel bracelet.Reference IW3706-29 has a silver dial, French disc, and stainless steel bracelet.Reference IW3706-30 has a silver dial, Spanish disc, and stainless steel bracelet.
