Wrist diameter 19cm, two watch hands. Part of the watch has an alarm function, and you can set different times. When the alarm goes off, an alarm sound will be heard. The auto LED main dial illumination is provided by LED diodes. The auto function automatically switches on the illumination just by bringing your hand close to the dial. The illumination is activated by a sensor, and the main dial lights up when you rotate your hand 45°. The watch counts down from the set time to 0:00. When it reaches 0:00, the watch beeps. Shock resistance. Due to its unique design, it eliminates the adverse effects of mechanical shocks, vibrations, and impacts, ensuring the watch's high mechanical resistance. Full auto calendar. Snooze is a widely used alarm function. You can make the alarm sound repeatedly. After stopping the alarm, it will sound again after a few minutes. Stopwatch. You can measure time intervals with the stopwatch. World time. The display shows the time of major cities and regions around the world. Thermometer. The watch can measure the actual temperature. Water resistance: 100M/10ATM. Watches with 100M/10ATM water resistance are designed for swimming, snorkeling, and free diving without breathing apparatus. 100M/10ATM indicates water resistance standardized by ISO 6425. ISO tests include various time changes in temperature, depth, and pressure (water pressure and atmospheric pressure) during rest and when operating the watch's operating parts. 〇 Notes 〇 Please refrain from bidding if you are nervous as this is a used item. Returns are not accepted to prevent swapping. Cancellations are not possible after receiving the evaluation. Please evaluate after confirming the product. Please check the profile screen before purchasing!!!. We are not responsible for damage during transportation. Returns and exchanges are not accepted after purchase, so Please consider this before purchasing. ^_^ #Casio