Skip to main content
Adjust Text Size:

Easily track your activity and sleep to better understand what you do in a day with the LifeTrak™ Core Watch. See how many steps you've taken today, your current heart rate or how many calories you've burned on the clear and concise display of the LifeTrak Core. Built to also show you the big picture of your activity and sleep, you'll be able to check your progress on a graph by hour, day, week or workout.

  • Ready to follow you on just about any adventure or be a companion for daily user, the LifeTrak Core C210 features an impact resistant polycarbonate lens and a durable and adjustable polyurethane strap with a SureSnap clasp. The reversible strap has one black side and a second side in your choice of titanium grey or bright lime green.The EssentialsAutomatically tracks calories burned, steps taken and distance traveled and graphically displays progress by hour, day, week or workout
  • Proprietary calorie algorithm integrates heart rate and activity data to provide a full day's record of calories burned
  • See your progress throughout the week or day with a 24-hour chart and instantly see your heart rate with a single press of a button
  • Patented pace-based calibration algorithm dynamically adjusts stride length based on identification of walking, jogging and running motions
  • Designed with an impact resistant polycarbonate lens and durable, adjustable and reversible polyurethane strap with SureSnap clasp
  • LifeTrak Core can automatically detect when you fall asleep and when you wake up
  • A replaceable coin cell CR2032 battery provides long life and does not require charging
  • Water-resistant to 30 meters and shock tested to 8kV Contact and 15kV Air (IEC6100-4-2)
  • What's IncludedLifeTrak™ Core 24-Hour Activity & Sleep Tracker (C210)
  • Quick Start Guide


  • MeasurementsWatch Case Measurements: 53mm L x 29mm W
  • Watch Case Thickness: 14mm
  • Bracelet Measurements: 8-7/8" L x 28mm W
  • Maximum Wrist Size: 8-1/2"
  • Weight: 1.3 oz

Made in China

Please Note: LifeTrak requires one (1) CR2032 coin cell battery for operation. Battery is included.