Exclusive source! The classic and timeless Longines Master Collection from a super brand, with paid maintenance available at authorized stores! This is the original Longines Master Collection Roman version, a century-old classic featuring an ultra-thin design that showcases the minimalist quality on the wearer's wrist. It comes with an original stainless steel bracelet and an additional leather strap, making it a perfect match for any occasion! .The watch has a diameter of 40mm, a silver folding safety clasp, and a push-button release mechanism. The transparent case back reveals a Swiss automatic mechanical movement, allowing you to see the movement at a glance! It is water-resistant up to 30 meters, features silver-plated polished hands, and a scratch-resistant synthetic sapphire crystal. The elegant Roman numeral hour markers complement the simple and beautiful central blue-steel hands.The movement is equipped with the Swiss SW200 chronometer-certified highest-quality automatic mechanical movement, with original parts sourced from authorized factories. The bracelet, buckle, and case are all made from high-strength and corrosion-resistant 316 stainless steel according to Swiss factory standards! .The clear information on the case back, including the English numerical details, hand color, and length craftsmanship, is visible. Each watch has a unique code, with the case back code, hang tag, and warranty card all combined into one. Each piece is uniquely coded and cannot be duplicated. With protective film intact, we support returns and exchanges, and the movement is covered by a lifetime warranty against human damage.