Nautilus 9015 modified 324SC integrated movement, the strongest upgraded version. The Taiwan version of Nautilus has launched an upgraded original version with noiseless engraved movement. Detailed upgrade interpretation: 1. The upgraded movement is fully engraved with clear and non-wearing characters, and the texture is exquisite. 2. The upgraded automatic rotor uses Swiss ultra-precision bearings, and the installation process of the rotor is unprecedented in the industry. It achieves 100% noise reduction. 3. The original movement, no fake plates, no fake balance wheels, no fake rubies. The Taiwan factory has perfectly replicated the 3.3mm discontinued high-quality 9015 modified 324SC integrated movement. 4. The upgraded dial scale luminous is extremely bright, and the overall brightness is consistent. 5. The classic blue dial of Nautilus has been improved to match the color of the genuine article, outperforming the dial details and workmanship of other factories. 6. The calendar window of each watch is perfectly aligned horizontally, without any skew or obstruction. 7. The crown adjustment gears have been finely tuned multiple times to achieve the smoothest operation, making the upgraded version of the watch feel smooth when adjusting the time and winding. 8. The entire watch thickness has been upgraded to 9.2mm, achieving the thinnest mechanical watch on the internet, equivalent to the original thickness. It is extremely comfortable to wear. 9. It is emphasized that the 324Sc integrated movement adjusts the date clockwise, from top to bottom. Please note that this is consistent with the genuine article. 10. When adjusting the time, pull the crown to the second position. This is also consistent with the genuine article. We produce the Patek Philippe 5711 Nautilus, the upgraded original version with noiseless engraved movement. It is the best-selling product on the entire internet!!!! Please recognize the Taiwan version original movement, unique packaging, unique design, unique serial number, and unique upgraded version. Quality guaranteed 💥 Please recognize the exclusive quality.