ppf Vacheron Constantin 4500 Overseas Series WatchIt is one of the top three steel kings along with Nautilus and Royal Oak! ! ![Case] ββ41mm stainless steel case, 11mm thick. Equipped with anti-magnetic soft iron device and screw-in crown, it can protect the watch from magnetic interference and ensure the accuracy of travel time. The polished stainless steel case has smooth lines and beautiful shape, which can be perfectly connected with the bracelet/strap, adding points to the watch's ornamental value.[Dial] The simple sunburst satin brushed crystal dial has a velvety smooth edge. Through the dial, you can see the reflection of the pointer on the dial, just like a clear lake, which is very beautiful. The 18K gold hour markers, hour hand and minute hand are all coated with white luminous coating, so that myopic people can read the time in a dark environment, ensuring the best readability.[Movement] The back-through process is adopted, and the operation of the movement can be directly observed. Equipped with the self-developed and manufactured 5100 automatic winding mechanical movement that is comparable to Vacheron Constantin, it contains 172 parts, 37 jewels, a vibration frequency of 28,800 times/hour (4 Hz), and is equipped with a 22K gold rotor (decorated with a wind rose compass pattern)[Strap] The most noteworthy point is the quick-release strap design. The metal strap is sporty and tough, and it is perfect for formal occasions.