JB Chronoswiss Tourbillon is only 11.5mm thick. The most hollow and thinnest tourbillon mechanical watch on the market.

JB Chronoswiss Tourbillon, only 11.5mm thick, is currently the most hollow and thinnest mechanical tourbillon watch on the market, with a diameter of 39.5mm and a thickness of 11.5mm. This watch is shipped with American crocodile leather and is based on the new seagull tourbillon. It takes about 15 hours to complete the manual engraving and modification process for each watch. The beauty of the operation of the watch machinery is fully revealed. Hand-knockouts, hand-carved movement, and gear components that showcase the source of power all make this wonderful work even more unique.