GUANQIN Women Men Couple Lovers Day Date Vintage Wristwatch Analog Japanese MIYOTA Automatic Self-Winding Mechanical Sapphire Crystal Wrist Watch Stainless Steel Luminous Waterproof Business Clock

Japan automatic self-wind movement with 21 synthetic gemstones stable bearings, frequency about 28800 A/H, provides precise time and storage of energy over 42 hours. Powered by natural movements of your wrist; must be worn at least 8 hours a day. If not worn for a long time, the watch will stop automatically; recondition the correct time and wear it. To wind-up, whirl the button clockwise for 30 to 40 laps. Features calendar, week, and luminous function. See-through back cover allows observation of movement work. Elegant, simple, fashionable, and practical design suitable for business, casual, or other occasions. Great gift choice for Christmas, birthday, anniversary, Mother’s Day, and Valentine’s Day. Stainless steel case and band with glossy angled engraving, planning, design, precision machining, and production processes. Ergonomic design for comfortable wear during long hours or outdoor activities. Double-open butterfly buckle made of durable and skin-friendly material, convenient to put on and take off. Synthetic sapphire crystal mirror with hardness second only to diamond, resistant to syringes, breaking, high temperature, and corrosion, making the watch durable and resistant to scratches and refraction. 50M waterproof, perfect for all types of business, casual, indoor, outdoor activities, or daily use. Can be worn to wash hands and in rain, but not for swimming, diving, or hot baths. Strict quality control standards ensure meticulous craftsmanship and rigorous testing. Do not use at extremely hot or cold temperatures; keep away from magnets. Color may vary due to display differences. Package includes: watch, user manual, and warranty card.