The watch charges itself from the sun’s rays using solar energy and keeps you informed with its digital compass, altimeter/barometer and thermometer. Black resin case with a blue cloth strap. Bi-directional black resin bezel. Grey LCD dial. Quartz movement. Scratch resistant mineral crystal. Stainless steel case back. Case diameter : 50.9 millimeters. Case thickness : 15. 3 mm. Tang clasp. Water resistant at 200 meters / 660 feet. Functions : Date, day, chronograph, four daily alarms, world time (48 cities), 1/100 second stopwatch, countdown timer, hourly time notification, 12/24 hour formats, snooze alarm. Casio Pathfinder TrIPle Sensor Mens Watch PAG240B-2.