【Shock Resistance】 As the name suggests, G-SHOCK is characterized by its shock-resistant design. You can use it with confidence in everyday use and outdoor activities. 【Multi-functional】 In addition to the digital display, it is equipped with alarm and chronograph functions, making it useful in various situations. 【Water Resistance】 It has water resistance up to 200m, making it suitable for use in pools and the sea. - Brand: CASIO - Model: G-SHOCK - Color: Black - Functions: Digital display, Alarm, Chronograph - Water Resistance: Up to 200m The screen is blank, so it is presumed that the battery is dead. The display was working until recently. The backlight does not illuminate. Please purchase only if you understand the above. Thank you for viewing.