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

This GUANQIN automatic mechanical wrist watch features a high-precision self-wind movement that powers itself through natural wrist motion, eliminating the need for batteries. The stainless steel case and band are crafted with glossy angled engraving for durability and a refined look. Key features include a calendar with day, date, and week display, luminous hands for visibility in low light, a see-through back cover to observe the movement, and a high-hardness synthetic sapphire crystal glass mirror with anti-reflective coating that resists scratches (hardness level 9, second only to diamond). The watch is water resistant to 50 meters (164 feet), suitable for rainy days and hand washing but not for swimming or diving. It is designed for business, casual, sport, and formal occasions, making it an ideal gift for Christmas, birthdays, Father’s Day, and Valentine’s Day. Package includes the watch with a safety double-open butterfly buckle for easy wear. Please note that the display may vary slightly in color. For size variants, carefully check the size guide in the product images.