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

This GUANQIN automatic mechanical wrist watch features a Japanese self-winding movement with 21 synthetic gemstone bearings for precise timekeeping and long kinetic energy reserve. The watch is powered by wrist motion, eliminating the need for batteries. It includes a calendar, week display, and luminous function for easy reading in low light. The see-through back cover allows observation of the movement. The case and band are made of stainless steel with an ergonomic design for comfort, and the double-open butterfly buckle is skin-friendly. The synthetic sapphire crystal mirror is highly scratch-resistant and durable. With 30M water resistance, it is suitable for daily use such as hand washing and rain exposure, but not for swimming, diving, or hot baths. This watch is ideal for business, casual, sport, and other occasions, making it a great gift for Christmas, birthdays, Mother’s Day, and Valentine’s Day. Package includes the watch and may include a gift box. Note: Please carefully check the size guide in the product images to ensure proper fit.