Engineered to make it an essential piece of outdoor gear, this watch delivers accurate altitude and direction readings. A barometric pressure tendency alarm alerts the wearer to sudden changes in air pressure. Large side buttons and one-press access to information keep important data at your fingertips. Brand: Casio Dial Color: Black Strap: Black resin Clasp: Buckle Movement: Quartz Water Resistance: 100m Case Width: 55mm Case Thickness: 14.4mm Bracelet Dimensions: 9 long; 52mm wide Model No.: PRG270B-1CR Special Features: Barometer; altimeter; thermometer; digital compass; powered by light natural and artificial for a free and limitless power supply; world time; sunrise/sunset data Jewelry photos are enlarged to show detail.