It has Japanese solar quartz movement and 3443 calibre. Polymer, aluminum case of round shape. Case dimensions are 47.1 mm. in diameter and 12.7 mm. in thickness. The dial of this Casio watch is lcd. Display type: digital. This timepiece has mineral glass. Polymer band, band color: gray. 100 m. water resistance. The watch is from Pro Trek collection. The following features are equipped: world time, compass, barometer, thermometer, chronograph, countdown timer, altimeter, alarm, power reserve indicator, perpetual calendar, cold resistance, backlight, date, day. - Alarm: The Alarm will remind you of repeated events with a beep, which you can set to any time. - Altimeter: This watch can measure altitude. It is helpful in climbing, hiking and skiing. - Backlight: The backlight is a dial illumination that allows you to use this watch in the dark. - Barometer: This model measures atmospheric pressure. You can forecast weather changes using it. - Chronograph: You can measure the amount of time between two events using this watch. - Cold Resistance: This watch will work when others freeze. - Compass: You will never go astray with 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. Power Reserve Indicator: You will always know how much energy your watch has and when it should be charged or winded. Solar Powered: This watch can be charged from almost any light source and run few months or more in the dark when fully-charged. - Thermometer: This function allows you to know the current temperature.