Produced by a Taiwanese factory, this product has undergone rigorous waterproof pressure testing, achieving water resistance up to 120 meters. All shipments are delivered in a three-in-one format, and returns and exchanges will also follow this three-in-one principle. We appreciate your understanding.Taiwanese factory production - Longines Boya Men's Series. Watch dimensions: 39.5 x 11mm. Featuring a slim, rounded case with water resistance up to 120 meters. The sides of the case are finely rounded, providing a premium feel. It is equipped with dual-layer sapphire crystal glass and houses a Japanese Citizen 8215 movement with a custom moon phase mechanism. The size and font of the crown have been meticulously replicated to match those of the official store. The watch strap is made of top-layer cowhide with an original buckle. Each item is produced under strict standards set by the Taiwanese factory. The code on the case back matches the code on the accompanying card tag, ensuring high-quality reproduction. It's not just about the concept; it's about focusing on original new pieces. Focus is an attitude. Produced by JH.