Casio G-Shock Bluetooth men's watch black GBD-300-1ER resin case and strap. Watch with black resin case with a diameter of 48 mm and a thickness of 15 mm. Matte black resin bezel. Black digital dial with 12/24 hour calendar. LED lighting. Digital movement. Training functions with accelerometer to display distance, speed and pace; customizable profile with goal setting. Integrated pedometer. Display of time zones, stopwatch with accuracy of 1 hundredth of a second up to 100 hours, countdown timer and up to 4 daily alarms with snooze function. Activation and deactivation of the key sound. Black resin strap with buckle closure. Water resistance of 200 meters. Delivered with original box and official guarantee.