V4 upgraded version of the button, original replica mold upgrade, Patek Philippe super complicated chronograph series! A labor of love, with attention to detail: .1: The team spent over two years meticulously designing this piece, sparing no expense and daring to lead the way, striving for perfection while overcoming numerous challenges and breaking through multiple technical bottlenecks. The movement model is CH 29-535 upgraded version, featuring exquisite skeletonized components with stable quality! .2: Size is 41mm, thickness is 11mm! .3: The case is made of 316L stainless steel with a nano platinum coating, adorned with South African diamonds on the bezel, further enhancing its noble and elegant appearance. The strap is made of top-grade Italian calfskin leather, adding an extra touch of sophistication! .You deserve to own it!