TheJaeger-LeCoultre Master Compressor Extreme Lab 2 is a watch that originally came out about five years ago - at least that was when it was debuted. In many ways, it was a major step up from Jaeger-LeCoultre's original Extreme Lab 1 watch. The brand took a while to finally get the Jaeger-LeCoultre Master Compressor Extreme Lab 2 to market because it was so complicated technically with oh so many parts in the movement and the case