The Casio LW200-7A is a trendy white digital watch designed for the youth. It features a sleek case measuring 37.9 × 34.9 × 11.9mm and weighs a mere 20g, making it incredibly lightweight and comfortable to wear. The band, bezel, and case are crafted from durable resin, ensuring long - lasting use. With a water resistance of up to 50 meters, it's perfect for daily activities. Powered by a CR1620 battery, it offers an outstanding lifespan of about 10 years. It comes with either resin or spherical glass for clear time - viewing. Packed with useful features such as world time, dual time, stopwatch, an alarm with hourly time signal, and a daily alarm. It also has an auto - calendar up to 2099, maintaining an accuracy of ±20 seconds per month. It supports both 12/24 - hour formats and displays hour, minute, second, PM, month, date, and day for regular timekeeping. - 37.9 × 34.9 × 11.9mm Case Size - 20g Weight - Resin Band, Bezel and Case - 50 Meters Water Resistant - Approx. battery life: 10 years on CR1620 - Resin Glass / Spherical Glass - World time - Dual time - Stopwatch - Alarm/hourly time signal - Daily alarm - Calendar: Auto - calendar (to year 2099) - Accuracy: ±20 seconds per month - 12/24 - hour format - Regular timekeeping: Hour, minute, second, pm, month, date, day

Using your Casio LW200 - 7A watch is a breeze. To set the time, find the buttons on the side of the watch. Press and hold to enter the setting mode, then use the buttons to adjust the hour, minute, and other details. For the world time feature, just select the city you want to track. The stopwatch can be started and stopped with a simple press of a button. When using the alarm, set the time you want it to go off and turn it on. This watch is water - resistant up to 50 meters, but it's best not to wear it while diving or in high - pressure water situations. As for maintenance, keep the watch clean by wiping it with a soft cloth regularly. When the battery runs out after about 10 years, have it replaced by a professional to ensure proper function. Also, avoid exposing the watch to extreme temperatures or sharp objects that could scratch the glass.