Stylish Sporty Style: Various useful features to suit every environment. The sturdy plastic case is shock-resistant, so don't worry about it being easily damaged, such as being dropped on the ground. The LED backlight feature will clearly show the timein the dark. 50M/5ATM Waterproof: You can wear it for swimming or bathing without worrying about water splashing on the watch, water will not enter the watch. You don't have to take off the watch when washing your hands, it won't rust. But please don't press any buttonsin the water. Practical Multifunction: 12H/24H, Calendar, Alarm, Date, 50M Water Resistance, Stopwatch, Dual Time Zone, Backlight. Long press the LIGHT button will turn on the backlight, the light will last for 3 seconds, the alarm will go off at the scheduled timeand it will remind you of something. The analog dial and the digital dial show different times, and you can use it to record the time in both regions. Sturdy and Durable: Made of high-quality materials, durable and not easy to damage, the rubber strap is comfortable to wear. The high quality movement provides precise time and hold, the power lasts for more than 2 years, the durable movement is not easyto be damaged, even if the power runs out, just replace the battery to work again.