Jaeger-LeCoultre Master Control Chronograph Calendar

In all the years that I’ve been writing about Jaeger-LeCoultre, I really thought that I’d seen everything at this point. Gyrotourbillons, ultra-thin watches, square Reversos (remember those? the Squadra, gone but not forgotten), lubricant-free high-tech concept watches (the Extreme LAB), complications of every description – well, the list is long. Apparently, however, there is one