IWC Portuguese series retrograde tourbillon watch. Elegant aristocratic atmosphere combined with unparalleled visual enjoyment, mysterious and elegant, superb and extraordinary. [Case] The size of the watch is 44mmX15.5mm. The exquisitely polished watch case is noble and generous. IWC is proficient in IWC’s original polishing skills, with smooth lines and pleasing effects. The knurled crown is re-engraved in place, retaining the original beauty of the original, and the operating feel is comparable to the original. [Realize the original function] The right half of the dial is a 7-day power reserve display, which can accurately display the remaining power of the barrel; the date display also has a flyback function at the end of the month. The dial spans a quarter of the entire dial and is majestic. Whenever the end of the 31-day big moon is reached, the date display automatically jumps back to the 1st. In Xiaoyue, or after not wearing the watch for a period of time, you can use the “quick adjustment function” to advance the date display, and then fly back to the first day of the month. [Best selling point] IWC factory perfectly reproduces these 81 parts to form a tourbillon device, which is placed in a round window at 12 o’clock just like the original product. The rhodium-plated escape wheel and the nickel-silver stationary wheel splint are all painstakingly made by hand Cutting, each fine part is exquisitely polished, including a large number of polished inner corners and bevels, and the details are comparable to genuine products. [Strap buckle] The strap is made of top-grade Italian small leather, with a soft and delicate texture. The hand-sewn silk threads have clear lines and are even and regular. Equipped with an IWC folding clasp with an original mold, engraved with the classic logo of “IWC”, generous and classy, and the workmanship is synchronized with the original.