JB's new product, the latest masterpiece, IWC Little Prince Pilot Series IW590302 watch, constant-power tourbillon!!!1⃣️ Exclusively developed 94850 movement, with a power reserve of up to 80 hours, and three functions of the original are restored:(1): Constant-power tourbillon device.(2): Moon phase display at 1 o'clock.(3): Power reserve display.2⃣️ Case: Designed according to the original one-to-one depiction. Restore the original three-piece set: Whether it is the front and back of the case, the side of the case and the arc-shaped brushed polishing process are perfectly synchronized with the original. The diameter is 46.2mm and the thickness is 13.5mm.3⃣️ Mirror: Sapphire arched mirror.4⃣️ Hands: JB factory spared no expense, from design to mold opening, style, and inspection multiple times to achieve a three-dimensional hand that is consistent with the original.5⃣️Strap: Made of Italian black cowhide crocodile pattern strap, hand-stitched, with details in place, paired with IWC original folding clasp, the buckle surface has clear fonts, and restores authentic details.