Multi-Function: Design calendar window, dual time display, alarm, 50M waterproof, LED backlight display, shockproof, stopwatch. Comfort: High-quality imported PU resin strap, soft and comfortable strap, environmental protection. Highly Transparent Glass Resin: The glass is made from highly transparent resin material by a high-frequency machine. While the glass is extremely hard and pressure tolerant. Accurate Timepiece: Original Quartz and electronic movement, dual time zone, analog, and digital display, provide accurate and precise timekeeping. Daily use of waterproof:50 meters waterproof,can be weared in --- hand washing, swimming, bath Note: Do not press the button while in the water, do not dive, and do not do other underwater activities. Large amounts of water in contact with the watch or the use of hot or cold watches in extreme temperatures may shorten the life of the watch.