It has Japanese quartz movement and 5522 calibre. Polymer case of round shape. Case dimensions are 53.4 mm. in diameter and 18.4 mm. in thickness. The dial of this watch is black. Display type: analog-digital. This timepiece has mineral glass. Polymer band, band color: white. 200 m. water resistance. The watch is from G-Shock collection. The following features are equipped: world time, chronograph, countdown timer, alarm, perpetual calendar, backlight, date, day, month. - Alarm: The Alarm will remind you of repeated events with a beep, which you can set to any time. - Backlight: The backlight is a dial illumination that allows you to use this watch in the dark. - Chronograph: You can measure the amount of time between two events using this watch. - Countdown Timer: Timer indicates the end of the time period you set. Perpetual Calendar: Will automatically show you day, date and month, including leap years until the year 2100.