K1 Nautilus launches an upgraded original movement with noiseless engraving. The

K1 Nautilus launches an upgraded original movement with noiseless engraving. The best value integrated movement on the market! Detailed upgrade details: 1. All lettering on the upgraded movement is finely engraved, clear and wear-resistant, with the texture perfectly replicated. 2. The automatic rotor is upgraded, using Swiss ultra-precision bearings and an unprecedented rotor installation process in the industry. This achieves 100% noise reduction. 3. Original movement, no fake versions, no fake balance wheels, no fake rubies. K1 factory has completely replicated the rare 3.3mm high-quality 324Sc movement. 4. The upgraded dial markers are ultra-bright, with overall harmonious and synchronized brightness. 5. The classic Nautilus blue dial has been improved to match the genuine color, surpassing the dial details and workmanship of other factories. 6. The date window on every watch is now horizontally aligned, without any tilt or obstruction. 7. After multiple adjustments to the crown's adjustment mechanism to ensure smoothness, the upgraded watch offers a seamless time-setting and winding experience. 8. The overall watch thickness has been increased to 8.3mm, achieving the thinnest mechanical watch online, matching the original thickness. This results in unparalleled comfort. 9. A key feature is the 324Sc movement; the date is adjusted clockwise, from top to bottom. This is identical to the genuine article. 10. When adjusting the time, pulling the crown to the second position should not stop the large second hand, also consistent with the genuine article. This is a K1 factory Patek Philippe 5711 Nautilus upgraded with an original movement and noiseless engraving.