Whether your notion of a motoring adventure is clocking laps at the racetrack, attending a Formula 1 race or just fighting traffic, IWC’s latest Ingenieur Perpetual Calendar Digital Date-Month ($37,400) in titanium fuses the rugged reliability you demand in a sport watch with one of watchmaking’s most revered complications, the perpetual calendar.
Perpetual calendars are watchmaking’s response to our quirky calendar. These ingenious mechanisms automatically adjust for months of different lengths and even factor in leap years until March 1, 2100, when—should you make it that long—you’ll need to skip the leap year because of a correction instituted by Pope Gregory XIII in the 16th century.
First launched in red gold in 2017, the Ingenieur Perpetual Calendar Digital Date-Month is now available in robust grade 5 titanium, the lightweight, anticorrosive metal commonly used in the aerospace industry and, fittingly, motorsports.
The durable alloy is ideal for the brawny, 45-mm Ingenieur, which debuted in the 1950s as a testament to muscular engineering designed to deliver precision and clear readability with features like extreme resistance to shocks and magnetic fields, as well as water resistance.
Since then, the no-nonsense Ingenieur has taken a number of different forms, including a notable modern redesign by the legendary Gerald Genta in 1976 with the Ingenieur SL Automatic. In 2013, the model underwent a complete overhaul and introduced a high complication with the Constant-Force Tourbillon merging sport and high horology for the first time.
Traditionally, perpetual calendars tend to be quite classical and sometimes difficult to read with multiple displays on the dial. But this one is resolutely modern, breaking convention with bold, double-digit displays for date and month, while the leap year indicator appears in an aperture within the seconds dial at 6 o’clock.
Limited to 100 numbered pieces, the titanium model is powered by the IWC-manufactured 89801 calibre automatic movement, with a solid 18-karat red-gold rotor that generates 68 hours of power reserve.
And in keeping with Ingenieur’s sporty history, the perpetual calendar function is paired with a flyback chronograph with hour and minute counters combined in a totalizer at 12 o’clock for measuring those lap times should you ever make it to the track.