GUANQIN Men Japan Mechanical Movement Vintage Wristwatch Stainless Steel Automatic Self-Winding Sapphire Crystal Business Clock Male Waterproof 100M Sport Wrist Watch Date Luminous (Silver Blue) - GJ16257

• Japan automatic self-wind movement with 21 synthetic gemstones stable bearings, frequency about 21,600 A/H, it provides a precise time and a storage of energy over 48 hours. It is powered by the natural movements of your wrist, it must be worn at least 8 hours a day, if you do not wear it for a long time, the watch will stop automatically. At this time, you need to recondition the correct time and wear it. Operate the watch, to wind-up please whirl the button on the clockwise for 30 to 40 laps. Stainless steel case and band, ceramic bezel, through long hours of glossy angled engraving, planning, design, precision machining and production processes made it more durable. With ergonomic design, the watch is incredibly comfortable to wear. Whether you are working for long hours or engaging in outdoor activity, it fits snugly on your wrist, providing you with the utmost comfort. Single folding buckle is made of durable and skin-friendly material, convenient to put on and take off. The watch is with calendar, tell your date anytime, anywhere. Moreover it's with luminous function. This watch showcases a fashionable and elegant style with carefully selected materials and intricate design. Whether it's for business or casual occasions, it perfectly complements your attire, ensuring you always maintain a stunning appearance. It is a great gift choice to your loved ones for Christmas, birthday, anniversary, Father's Day and Valentine's Day, or as a business and party present. The watch uses a seamless sealed back cover, which can make the waterproof performance stronger. Water resistance can reach 100 meters, which can effectively blocking external water droplets. Synthetic sapphire crystal mirror, has a very high light transmission, the hardness of the sapphire is the second after the diamond, not afraid of syringes and breaking, high temperature resistance and super corrosion protection, making your watch more durable and resistant to scratches and refraction. GUANQIN watch has undergone a thorough inspection of water resistance, accuracy, functionality, and condition to determine the level of conditioning required to meet our strict standards. Do not use your watch at extremely hot or cold temperatures, which can damage the 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. If you have any questions, welcome to send emails to us.