Main Features: LED digital military watch designed for men. Cool sporty dial, big face (2"/ 53mm ) fashionable design also fits daily match. Calendar/Alarm/Time/Date /Timing display Window. Can see the time clearly in the dark with back-light. Muti-Functional quartz movement. Shock Resistant, suitable for both outdoor and indoor activities & sports, such as running, climbing, business ect. The new military outdoor sports watch is available in a variety of colors. Specification: Movement: Quartz Battery: Japanese battery Watch Case: Metal and ABS Watch Band: TPU Band Clasp Type: Buckle Case Diameter:53mm/2.08in Case thickness: 18mm/0.71in Watch Length: 25cm/9.84in Band width: 22mm/0.87in Band circumference: 140-230mm Weight:82g 5ATM water resistant is convenient for daily life. Remember, water resistance is tested under static conditions.Wearing a watch which is 50 metre water resistant to water will expose the watch to a much greater pressure than during a 50-metre static test. Therefore the number of metre shown on the watch does not indicate the depth that the watch can be taken to. **NOTE**: *Please DONOT Press Any Buttons Underwater. *Also avoid the use in extreme hot or cold temperature. * If mist or droplets found inside watch surface, please contact manufacturer immediately for maintenance to prevent moisture corrosion of the internal components. *Too much water contact will shorter watch life.