Casio men's multifunction watch from the G-Shock collection of the Carbon Core Guard line. The case is made of octagonal Total Black resin with a diameter of 48.5mm. Clock With Digital Display And Hands. The strap is made of black resin. The water resistance is 20atm. The movement is quartz. Functions: Alarm clock, stopwatch, timer, shockproof, double lighting, 5 alarms and calendar.