⚡Best Gift for Men: Japanese quartz movement provide accurate time keeping, imported high quality batteries last for more than two years. ⚡Multifunction Design: All small dial work, Stopwatch, Chrongraph, Day, Date, stainless steel adjustable mesh strap makes comfort to wear ⚡30M Waterproof , water resistant to 30 meters(99 feet), in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing