Skeleton Automatic Mechanical Men Wristwatch Business Stainless Steel Sapphire Crystal Waterproof Self-Winding Watch Luminous Chronograph ( Silver Black) - GUANQIN GJ16201

• The movement with 21 synthetic gemstones stable bearings, frequency 21,600 times per hour, it provides a precise time and a storage of energy over 42 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. Dress Skeleton Automatic Watch: See-through skeleton dial and hollow case-back allows you to observe the work of the movement at any time, feel the passage of time intuitively, and enjoy a different visual experience. Elegant, simple, fashionable and practical design suitable for business, sports, casual or any other occasions, which is a great gift choice to your loved ones for Christmas, birthday, anniversary, Father's Day, graduation and Valentine's Day, or as a business and party present. Watch case is made of IP plating stainless steel, which is good for hypoallergenic and not easy to fade. 20mm stainless steel strap, soft and comfortable, breathable, sweat-proof, waterproof, can also be adjusted to the most comfortable size with safety double-open butterfly buckle, so easy to handle and very comfortable to wear. Synthetic sapphire crystal watch mirror, second only in hardness to diamond, the mirror can withstand a lifetime of use and remain looking exceptional. 30M Waterproof: Water resistance for daily life is only suitable for splash and rain, but not for diving, swimming or showering. If you wipe off moisture, sweat or dirt with a soft cloth usually, it will extended service life as long as possible. Professional After Sales Service: 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. If you have any questions, welcome to send emails to us, we are always at your service.We will contact you within 24 hours and give you a satisfactory solution.We are committed to better service.