TC Factory Intercontinental 13th Anniversary IWC Portugieser Series True Tourbillon Watch!! IWC PORTUGIESER HAND-WOUND TOURBILLON Constant Power Manual Winding Tourbillon Watch True Tourbillon!!! The timeless modern design of the Portugieser series is integrated with the flying minute tourbillon at 6 o'clock. The gold-inlaid Arabic numerals are matched with gold leaf-shaped hands, which are in harmony with the silver-plated dial. 1⃣️ Exclusively developed 81905 movement, with a power reserve of up to 72 hours, and the three functions of the original are restored. 2⃣️ Case: Designed according to the original one-to-one depiction. Restore the original three-piece set: Whether it is from the front and back of the case, the side of the case and the arc brushed process are perfectly synchronized with the original. The diameter is 42mm and the thickness is 11mm. 3⃣️  Sapphire arched. 4⃣️ Hand: The factory spared no cost, from design to mold opening, style, and inspection many times to achieve the same three-dimensional hands as the original. 5⃣️Strap: Made of Italian cowhide crocodile pattern strap, hand-stitched, detailed, with IWC original folding clasp, the buckle surface font is clear, restore the original fine product