Top-notch luxury! This Longines Master Collection genuine diamond model is an original piece, a century-old classic featuring an ultra-thin design that showcases the wearer's minimalist elegance. The watch has a diameter of 40mm, equipped with a silver three-fold safety clasp and a push-button release mechanism. It also features a transparent case back revealing the Swiss automatic mechanical movement, making the movement easily visible! With a water resistance of 30 meters and a lug width of 21mm, the dial is adorned with a silver barley grain pattern, set with 13 premium VVS-1 grade diamonds totaling 0.059 carats. Each diamond watch comes with a diamond certificate issued by the authoritative Chinese GTC certification body, ensuring that every stone is a genuine diamond. Each certificate has a unique identification number that will never be repeated, and you can scan the official website for verification! The watch features silver polished hands, a scratch-resistant synthetic sapphire crystal, and elegant diamond hour markers, harmonizing beautifully with the sleek central blue steel hour, minute, and seconds hands, presenting the time in a clear and intuitive manner. The movement is the Swiss SW200 chronometer-certified top-grade fully automatic mechanical movement, with original parts sourced from authorized manufacturers. The strap, clasp, and case are all made from 316 stainless steel, specified by Swiss manufacturers for exceptional wear resistance and corrosion resistance! The bottom cover displays clear English numerical information, showcasing the color and length of the hands, ensuring that each watch is uniquely identifiable. The bottom case number, hang tag, and warranty card share the same three-in-one code. The watch comes with a protective film that supports returns and exchanges, and the movement is covered by a lifetime warranty against human damage.