Dr.zen Y.
Reviewer from Thailand! I know a tourbillon watch is one of the most expensive among all the watch. A tourbillon is considered to be the most difficult mechanism ever developed in a watch. In other words, it is the most complicated complication. This explains why only a very few tourbillons have ever been built: so we will expect and look for the price of US$200,000 and almost a standard for the most exquisite million-dollar timepieces. Until one day I found promethus-era watch its tourbillon w...