Like all of the new IWC Ingenieur watches, launched at this year’s SIHH watch fair in Geneva, the design and construction of the Ingenieur Double Chronograph Titanium and Ingenieur Dual Time Titanium are influenced by IWC’s partnership with the Mercedes AMG Petronas Formula One racing team. The distinctive bezels feature five screws, instead of the more traditional bores, which secure the bezels firmly to the titanium cases. IWC was among the first to introduce titanium to the watch industry in the early 1980s, recognizing the same properties that make it popular in the automobile industry: lightness (half the weight of stainless steel), resistance to corrosion and magnetism, and comfort on skin. In both watches, titanium is used for not only the case, including bezel, but for the crown, crown protector, and push-buttons, all of which are then coated with rubber for a better grip.
Both watches also have complications that IWC chose for their usefulness in Formula One auto racing. The IWC Ingenieur Double Chronograph Titanium ($12,700) features a chronograph mechanism with a split-seconds hand that can be used to record two intermediate times within a given minute while the blue- or white-tipped chronograph hand continues to run. When the push-button at 10 o’clock is pressed again, the split-seconds hand instantly catches up with the chronograph hand and runs synchronously with it again. As a result, the user can record as many lap times — important for determining pole position in an automobile race — as he chooses. The subdial at 12 o’clock tallies up to 30 chronograph minutes with a triangle-tipped jumping minute-counter hand, which makes two revolutions every hour. The hours subdial at “6 o’clock” records stop times in half-hour increments. The subdials are recessed into the dial, lending it an instrument-inspired look. Windows for the day and date appear at 3 o’clock. The 45-mm case of the Ingenieur Double Chronograph Titanium is water-resistant to 120 meters and features a screw-down crown; it comes on a rubber strap and is available with either a silver-plated or black dial. The automatic movement, IWC Caliber 79420, has 29 jewels, a frequency of 28,800 vph, and a 44-hour power reserve.