Equipped with two real tourbillon stable operation. This is another historical moment in the watch industry. Each movement has to undergo dozens of simulated QE tests and hundreds of debuggings. The manual winding plate of the RD100 tourbillon is finally stable and qualified. It can be wound manually for 80 times under static conditions. Right and left, 18k platinum plated ring mouth, diameter 45mm, two tourbillons rotate at a constant speed, elegant and moving, satisfy your senses, impact the eyes of others, and overcome the gravity barrier to the greatest extent, the travel time is extremely accurate. Front and back sapphire crystal glass, comes with American alligator leather, original RD folding buckle. The pinnacle is unique, and the number is pitiful, and it is worth collecting for watch enthusiasts. JB Factory-born for the top tourbillon.