[LONGINES Watches] Exclusive 43mm size Original mold opening Full of sincerity One black to the end Darth Warrior of the Longines family 1. Case: adopts a new design One-piece all-ceramic case never fade Metal-free liner: makes it more textural No abnormal sound Free of impurity 2. Mirror surface: ultra-thick, ultra-wear-resistant synthetic sapphire material Double-sided multi-layer polishing reduces mirror transparency and anti-light reflection 3. Size: Perfectly restored 43mm watch body Create the original thickness 5. Bottom cover: The bottom of the watch adopts a sealed design Ceramic CNC 3D engraving The demanding craftsmanship design of the original Matte backing with ring-shaped satatin finish Each part exhibits a different texture Show the versatile style of this diving watch Waterproof up to 300 meters 6: Ring mouth: Use imported diamond sand Repeated polishing and drawing process Make its ring mouth more delicate pvd vacuum plating is used for calibration Smoother Improve quality at all costs Hard and detailed to achieve ingenuity and independence Welcome masters from all walks of life to play