CASIO G-SHOCK Model Name: G-5600E (3160) With a classic square design, it's a style that symbolizes G-SHOCK. It inherits the design of the original model from the 1980s. A simple appearance that goes with any outfit, making it easy to use. Durability and Practical Performance Shock Resistant: A tough structure that is resistant to drops and impacts. 20-bar water resistance: Suitable for everyday life, as well as swimming and light marine sports. Equipped with Tough Solar (solar charging): Charges with sunlight or indoor light, reducing the need for battery replacement. Main Functions Full auto-calendar Stopwatch (1/100 second, up to 100 hours) Timer function Multiple alarms (5) + hourly time signal Battery indicator display Power saving function (turns off the display in the dark to save power) EL backlight (easy to see in dark places) If you are interested, please consider this opportunity.