Almost from the moment Breguet invented the tourbillon (for which he was granted a patent in 1801), people have been wondering whether or not it actually does what it’s supposed to do. The basic idea is simple. If you put the balance spring, balance, lever, and escape wheel inside a carriage, or cage, that rotates in the plane of the movement plate, you get one average rate for the four vertical positions in which a watch is timed, rather than four different rates. You then adjust the two horizontal positions to match this single average vertical rate and, in theory, you should have a perfect timekeeper.
Continue reading ‘Hands-On: The Jaeger-LeCoultre Reverso Tribute Gyrotourbillon’
Posted In: Uncategorized