Soleus Unisex SG100-047 GPS FIT Digital Display Quartz Black Watch Imported GPS, Distance, Pace/Speed, Calories Burned, Auto-Lap, 1/100 Sec Chronograph, Lap Data storage USB Data Upload, World Time, EL Backlight, Night Mode, Rechargeable Battery, 30M Water resistant Quartz Movement Case Diameter: 46mm Water resistant To 99 Feet