Feature:1. Comprehensive Timekeeping: Displays not only hours and minutes but also seconds, days, dates, months, and weeks, keeping you meticulously on track.2. Dual Core, Dual Display with Backlight: Boasts a dual-engine design and a clear backlit display, ensuring readability under any lighting condition.3. World Time Mode: Features a global time function, enabling effortless time-zone transitions for the avid traveler.4. Time Management Tool: Offers 5 daily alarms, hourly chimes, a countdown timer, and a precise stopwatch mode, enhancing your daily productivity.5. ATM50 Waterproof: Withstands depths up to 50 meters, making the watch an ideal companion for swimming and daily splashes.Specification:Brand: SKMEIModel: 2100Mov't: DigitalFunction: World Time, Chrono, 5 Alarm, Date, Week, LED Light, 12/24 Hour Format, Countdown, Daylight Saving TimeBattery Type: CR2016W/P: 50MColor: Orange, Yellow, Blue, White/Grey, White/Black, Black/Grey, Black/Black-White, Black/Black-Black (Optional)Crystal Material: ResinCase Material: PCBand Material: Silica gelBuckle Material: Stainless steelCase Width: 44.3mmCase Height: 53.2mmCase Thickness: 14.1mmBand Width: 20mmWatch Length: 245mmWatch Weight: 50.2gPackage Size: Approx. 16*4.5*4cm/6.29*1.77*1.57inPackage Weight: Approx. 62g/2.18ozPackage List:1 * Watch1 * User Manual (English/Chinese)