Casio G-Shock Analog-Digital Watch - Men's Black. Access your smartphone GPS via Bluetooth for precision accelerometer measurement. Use your smartphone to take initial measurements of specific spans then leave it to the timepiece to accurately measure these distances on its own. Get all the info you need - distance speed pace and calories burned as well as auto lap readings to keep track of running times for set distances. Download the app to control watch settings manage workouts and check activity history. Displays five stages of exercise intensity and tracks progress against the workout goals you set. Enjoy the clearest display yet with Memory in Pixel (MIP) LCD and Super Illuminator to ensure visibility even in the dark. Not just rugged and smart but comfortable too. The GBA-900 band is made of soft urethane for a quality fit. Specifications for Casio G-Shock GBA900-1A Analog-Digital Watch - Men's: Manufacturer: Casio Size: One Size Application: Everyday Gender: Male Illumination Color: White Band/Strap Color: Black Case Color: Black Case Material: Resin Case Diameter: 49 mm Band/Strap Material: Resin Wrist Band Type: Strap Illumination Type: LED Water Resistance Level: Water Resistant Water Resistant Mark: 200 m Weight: 61 g Features of Casio G-Shock GBA900-1A Analog-Digital Watch - Men's Shock Resistant Water Resistant to 200 Meters Smartphone Link Step Counter Calorie and Distance Calculations Stopwatch 5 Alarms Double LED Backlight Countdown Timer Package Contents: Casio G-Shock GBA900-1A Analog-Digital Watch - Men's Casio GBA900-1A: G-Shock GBA900-1A Analog-Digital Watch - Men's Black