IWC Ingenieur Perpetual Calendar Digital Date-Month IW379203

With the Ingenieur Perpetual Calendar Digital Date-Month, IWC presented a watch case made of titanium aluminide and reaffirmed its reputation as the materials pioneer in the watchmaking industry.

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$54,600.00

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With the Ingenieur Perpetual Calendar Digital Date-Month, IWC presented a watch case made of titanium aluminide and reaffirmed its reputation as the materials pioneer in the watchmaking industry. Titanium aluminide is used widely in motorsport: the alloy is lighter and more robust than pure titanium. The black parts of the case are made of zirconium oxide, yet another material typically associated with FORMULA ONE. Modern racing cars have a boost button designed to provide maximum thrust when needed. In the case of the perpetual calendar with its digital date and leap year display, this job is handled by IWC’s revolutionary quick-action switch. Every night, when the date display advances, this sophisticated mechanism siphons off a little energy, stores it and then discharges it precisely at the end of the month to rotate the display discs. At the end of the year, no fewer than five display discs need to be advanced synchronously. On New Year’s Eve, thanks to the three semi-transparent totalizers, the entire dial is set in motion. It is a spectacle of technical brilliance that no one who appreciates complex mechanical systems will want to miss. The see-through sapphire-glass back provides an unimpeded view of the IWC-manufactured 89802 calibre, whose rotor resembles the spokes on a light alloy wheel rim.

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