SJ Product .C Factory/Clean Rolex Weight Version 4130 Daytona Series Mk1 is an absolute masterpiece. It features an upgraded custom ultra-light carbon fiber material, an integrated case, and an integrated clasp, making it easier and quicker to wear. The wearing experience is comfortable, and it is fully equipped with the weight version 4130 Daytona carbon fiber.The Rolex Cosmograph Daytona Series carbon fiber integrated case custom version not only offers a lightweight feel but also boasts a hard exterior. Each watch features a unique carbon fiber pattern.The case size of the watch is 40X12.4, matching the original. C Factory's craftsmanship showcases the unique charm of the carbon fiber Rolex, making it exclusive to the market. The entire case, including the bezel and back cover, is made from high-composite carbon fiber and ultra-strong luminous powder. Every detail has been hand-polished for a remarkable finish. The strap and clasp are made from hand-woven fiber, ensuring breathability and comfort with a soft texture. The movement uses the authentic 4130 integrated movement, perfectly achieving powerful functionality, making it the king of cost performance! Trust in C Factory quality. The watch code is 9U5250S8, weighing only 52 grams. It features the latest back cover label, with images to prove authenticity, quality assurance, and the strongest version. S1 is highly recommended for men's multifunctional mechanical watches.