GUANQIN Women Men Couple Calendar Rhinestone Vintage Analog Automatic Self-Winding Mechanical Wrist Watch Stainless Steel Sapphire Crystal Waterproof Luminous Business Clock

Using a high-precision automatic self-wind movement, this watch guarantees accuracy and stability. No matter where you are, it provides precise timekeeping, keeping you away from the embarrassment of missing important events. 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. Watch is with calendar, tell your day and date anytime, anywhere, moreover it's with week and luminous function, it is charming and shining. See-through back cover 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, fashionable and practical design suitable for business, casual, sport or any other occasions, which is a great gift to loved ones for Christmas, birthday, Mother's Day and Valentine's Day. Stainless steel case and band, through long hours of glossy angled engraving, planning, design, precision machining and production processes made it stand wear and tear. With ergonomic design, this 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 skin-friendly material, convenient to put on and take off from your wrist. Synthetic sapphire crystal mirror, the hardness 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. 50M waterproof, perfect for all types of business, casual, indoor, outdoor activities or daily use. In daily life, you can wear it to wash your hands and get in the rain, but please do not wear your watch when swimming, diving or taking a hot bath. 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.