Produced by famous craftsman Swiss Watch, white case and gold case TW Vacheron Constantin. Taste the classic beauty of Vacheron Constantin series watches! The RK4 1 team spent 9 months carefully designing, daring to be the first, striving for perfection, and breaking through multi-layer technical bottlenecks 2. The market's exclusive latest pot lid glass material, super 3D three-dimensional effect, ultra-thin craftsmanship, unique Roman nails, diameter 42mm 3 Styles use the original imported 9015 movement, which vibrates 28,800 times per hour, with zero repair quality. 4 The dial uses a classic exclusive inner shadow, which further shows the luxurious temperament of this watch. 5 Styles are paired with Italian cowhide to make the wrist more comfortable and comfortable. Famous craftsmen Ruibiao exquisitely recommends men’s mechanical watches,