Does it come from Jaeger LeCoultre Watch Makers ? They still develop the most expensive and complex wristwatches of today. Have a look to Gyrotourbillon
Are you sure about that? I think that distinction would have to go to either Roger Dubuis or George Daniels. A genuine Daniels (he only completed 37 watches) is a priceless work of art. Dubuis sold a single handmade watch of his own original design for $1 million.