Vacheron Constantin Overseas Series 4500V features an original CNC color adjustment on the surface, with five colors available: blue, green, coffee, classic black, and silver. The colors are vibrant, making reading clear, and the ultra-strong blue luminous display adheres to the original essence. The case is a synchronized 41mm version crafted from 316L stainless steel, polished to perfection, radiating brilliance. The crown features an original consistent thread connection and is paired with a scratch-resistant sapphire crystal for clear readability and reliable quality.The timepiece is powered by the renowned original Japanese Citizen 9015 integrated mechanical movement, ensuring precision and reliable performance. Additionally, it utilizes a specially developed original synchronized automatic hammer, truly setting a benchmark in its class. The strap is made of imported rubber!