Longines Master Collection Men's Watch, with a case size of 39.8/11.9mm. The slim, curved case is water-resistant up to 120 meters, and the sides of the case feature a delicate and rounded texture. The case is crafted according to the strict quality standards of the official store, with a sapphire crystal glass. It is equipped with a Japanese Citizen 8215 movement, and the size and font of the crown have been meticulously replicated to match the original. The watch comes with a top layer cowhide strap and an original buckle, with each piece undergoing strict quality control. The code on the case back matches the code on the accompanying card tag, reflecting an extreme dedication to detail that ensures high quality-it's not just a concept!