SIBOTTE Men Calendar Moon Phase Vintage Analog Automatic Mechanical Self-Wind Stylish Wrist Watch Leather Band Sapphire Crystal Waterproof Luminous Multifunctional Business Clock

1. Using a high-precision automatic self-wind movement with 21 synthetic gemstones stable bearings, frequency is 21600 A/H, it provides a precise time and a storage of energy 40 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. 2. The watch is with calendar, week, luminous, 24 hours display and moon phase function. 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, sports, casual or any other occasions, which is a great gift choice to loved ones for Christmas, birthday, anniversary, Father's Day, graduation and Valentine's Day. 3. Stainless steel watch case is good for hypoallergenic and not easy to fade. Genuine leather band is comfortable, breathable and waterproof, can also be adjusted to the most comfortable size with double-open butterfly buckle, so easy to handle and very comfortable to wear. Multifunctional dial with Roman numerals markers follows Art deco's design aesthetics and wear this men's watch to show men's timeless and understated elegance and release your masculine charm at all times. 4. 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. 5. 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.