GZFCM Aesop Tourbillon Skeleton Mechanical Hand Wind Vintage Wrist Watch Men Sapphire Crystal Diamond Business Hollow Luminous Clock Man Steel Leather Waterproof Wristwatch (Silver Black Steel) - GZFCMY, TFL7018Gfsc

• Stainless steel case, through long hours of glossy angled engraving, planning, design, precision machining and production processes made it durable. With steel or leather strap and ergonomic design, the watch is incredibly comfortable to wear. Whether you are working for long hours or engaging in outdoor activities, it fits snugly on your wrist, providing you with the utmost comfort. Double-open butterfly buckle is made of durable and skin-friendly material, convenient to put on and take off. This watch is water resistant to 50M (164FT), with high hardness synthetic sapphire crystal glass mirror, precision workmanship and high quality parts, making it easy to handle even on rainy days and hand washing. The double-sided transparent synthetic sapphire watch mirror has a high hardness of 9 at the moth level, which is second only to diamond, and has high durability and is not easily scratched. An anti-reflective coating process is used to make the watch mirror smoother and clearer. Luminous paint is applied to the hands of the watch so that the time can be recognized even in dark. And the see-through dial and back cover allowing you to see the movement directly at any time, feel the passage of time intuitively, and enjoy a different visual experience. The watch showcases a fashionable and elegant style, it perfectly complements your attire, ensuring you always maintain a stunning appearance in any occasions, it is a great gift choice for Christmas, Father's Day, and so on. Tourbillon Skeleton Mechanical Hand-wind Movement, after hand-wind, it can run about 48 hours, and the daily time error is ± 10 seconds, the frequency is 28800 Hz / Hr. The average production of a Tourbillon movement requires more than six month of manufacturing, more than 4500 processes, more than 70 bridge plate grinding oprations, more than 30 watch technicians and more than 50 watch dial milling oprations. Please rotate the crown about 30-40 laps when using the watch for the first time. We have strict quality control standards to ensure that every watch undergoes meticulous craftsmanship and rigorous testing. This watch possesses excellent durability, accompanying you for a long time. Do not use your watch at extremely hot or cold temperatures, which can damage your watch and shorten its lifespan. Keep your watch away from magnets as it can damage the movement. Please note that the display may be different and there may be color shifts.