JINLERY Richard Square Men Japan Automatic Self-Winding Mechanical Luminous Stainless Steel Leather Business Wrist Watch Sapphire Crystal Waterproof Clock Calendar (4 Black) - GZFCMY J9031P

• Using Japanese automatic movement, accurate and durable. The movement with 24 synthetic gemstones stable bearings, frequency 21,600 times per hour, it provides a precise time and long kinetic energy storage time. Relying on the movement of the wrist to generate electricity, you wear it on your wrist, it will continue to wind automatically, because the rotor is connected to the manual parts, the rotor rotates with every movement of the wrist, transferring energy to the mainspring. The watch is with calendar, tell your date anytime, anywhere. Moreover it's with luminous and 24 hours display function. The back is see-through, allowing you to see the movement directly at any time, feel the passage of time intuitively, and enjoy a different visual experience. Elegant and simple design suitable for business and sports occasions. The front of the round bezel is polished with a polished and brushed process, which is resistant to scratches. Top Grade Material: The case is forged from 316L stainless steel which has excellent gloss and hardness and strong corrosion resistance. The hardness is much higher than normal stainless steel watches. High-quality materials and craftsmanship to ensure lifetime durability and excellent strength. High quality genuine leather strap, soft and comfortable, breathable, sweat-proof, waterproof, can also be adjusted to the most comfortable size with safety buckles. Synthetic sapphire mirror and 50m waterproof: Sapphire measures 9 on Mohs scale and has the same hardness as natural gemstones, capable of absorbing shocks without damage. It is more durable and scratch-proof than mineral mirrors. After strict testing, it can reach 50 meters of waterproof performance, can resist the daily life of hand washing, rain, sweat, splash, cold bath and other violations of the watch, and enjoy a better life freely. But not suitable for any underwater activities. The watch will be packed in exquisite watch box. It could be regarded as a very special gift to your family, friends, colleagues, etc. Fashion watches could also be popular for birthday, father's day, Christmas, new year, valentine day and so on. The 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.