Black and stainless steel GPS sport watch with separate fabric chest strap to measure heart rate Quartz movement with digital display Protective mineral crystal dial window Features buckle closure, distance/pace/speed tracker, rechargeable battery, compass, altimeter, 1/100-second chronograph, 50-run storage, 300-lap data storage, night mode, EL backlight, and world time Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion