The RANGEMAN from the Casio G-Shock Master of G sports watch line is an extra tough model for the most rugged training. Mud-resistant 55.2 x 53.5 x 18.2mm black carbon fibre resin and stainless steel case Light gray dial with digital display (date, day and time), altimeter sub-dial, LED light with afterglow, red and white accents, and mineral crystal; cylindrical buttons for better operation and impact resistance Tough solar technology for a stable supply of power; equipped with world time, calendar, alarm, stopwatch and timer functions Triple Sensor-equipped; capable of keeping altitude, barometric pressure, temperature, and direction readings at your fingertips; links to Multi Band 6 for time auto updates worldwide. Black resin strap; buckle clasp Water-resistant to 200 metres We are an authorized Casio dealer