3K Patek Philippe Grenade 5167 40mm upgraded version, upgraded movement and upgraded new buckle. The buckle of the original mold is not the ordinary version on the market. Patek Philippe Grenade launches an upgraded version of the original machine with noiseless engraving. Detailed upgrade interpretation: 1. The upgraded movement is all refined The engraved characters are clear and not worn, and the texture is perfect. 2. The automatic rotor is upgraded, using Swiss ultra-precision bearings, and an unprecedented rotor installation process in the industry. It achieves 100% noise reduction. 3. Original movement, no fake clips, no fake balance wheels, no fake rubies. The 3K factory has completely reproduced the 3.3mm out-of-print high-quality SC movement. 4. Upgraded dial with Arabic numerals with super bright luminous, and overall well-made to harmonious and consistent brightness. 5. Upgraded imported rubber strap, the feel and visual effect are comparable to the original. It remains anti-corrosive, anti-odor, durable and corrosion-resistant in extreme cold and high temperatures. 6. Each watch in the calendar window is positioned horizontally without any deflection or obstruction. 7. The smoothness of the head adjustment gear is adjusted multiple times to reach the best state. This makes the upgraded version of the grenade adjust the time and winding. It feels smooth in the hand. 8. The thickness of the entire watch has been upgraded to 8.3 mm, making it the thinnest mechanical watch on the Internet, which is the same as the original thickness. It is extremely comfortable to wear. 9. The Patek Philippe logo on the buckle has been upgraded, and the joint position is perfect. No offset and The situation of movement. Patek Philippe 5167 grenade produced by WK-3K factory, upgraded version of the original machine with noiseless engraving.,,patek philippe