Jaeger-LeCoultre North Star Series, with a diameter of 41MM, features an original synchronized design. The streamlined stainless steel case provides robust protection, while the embossed logo on the crown is clear and strong. The dial layout is simple yet sophisticated. The transparent back design maximizes the original movement's restoration, utilizing an imported 9015 movement modification for exceptional accuracy! The stainless steel case and back cover are secured with four screws. The Jaeger-LeCoultre logo and watch number on the back cover are intricately engraved. The glass is made of double domed sapphire crystal, minimizing the thickness of the watch while enhancing the stability of the movement's performance. The top-layer cowhide strap is paired with a simple and easy-to-use butterfly clasp, showcasing exquisite craftsmanship and fine polishing. Vacuum-packed, consistent with the original product.