▸  Select Your Strap Size When Ordering

Both sizes contain identical hardware and features. Measure your chest circumference to choose the right strap. The module is the same on both; only the strap length differs. Straps are machine-washable after removing the module.

The HRM 600 is the most capable chest strap heart rate monitor Garmin makes. The headline feature is standalone activity recording: you can leave your smartwatch at home and the HRM 600 records your entire workout — heart rate, pace, distance, steps, and calories — directly to Garmin Connect via your phone. This makes it the right choice for team sport athletes (football, soccer, rugby, lacrosse, MMA, basketball) who can’t wear a watch during play, and swimmers who need HR data from a chest strap rather than a wrist device.

Running dynamics are the most comprehensive available from a chest strap: cadence, stride length, vertical oscillation, vertical ratio, ground contact time, ground contact time balance (left/right), and step speed loss — a new metric that identifies exactly where your running efficiency breaks down as fatigue sets in. Indoor pace and distance use motion sensors to calculate pace and distance from your stride on a treadmill or indoor track without GPS. Swim HR caching stores heart rate data during the swim and syncs it to your compatible Garmin watch or Garmin Connect after the session. Real-time HR and HRV data transmit via ANT+ (unlimited connections simultaneously) and Bluetooth LE (3 concurrent connections).

The rechargeable lithium-ion battery lasts up to 2 months at 1 hour per day — eliminating the coin-cell replacement routine of the HRM 200 and Polar straps. The soft strap is machine-washable after removing the module. 5 ATM water rating for pool and open water. Secure Bluetooth mode encrypts your HR data for connected Garmin devices; open Bluetooth mode broadcasts standard HR data to any compatible watch or app including Polar, COROS, Apple Watch, Wahoo, Zwift, and gym equipment. Running dynamics and standalone recording require compatible Garmin devices.

Can the HRM 600 record workouts without a watch?

Yes. Start an activity from the Garmin Connect app on your phone and the HRM 600 records full workout data — HR, pace, distance, steps, and calories — without a smartwatch. It also caches HR data if your phone goes out of range during the session and syncs automatically when reconnected. Ideal for team sports, martial arts, swimming, and gym sessions where wearing a watch isn’t practical.

What is the difference between HRM 600 and HRM 200?

The HRM 200 delivers accurate ECG HR and HRV data with a replaceable CR2032 battery lasting up to 12 months and a 3 ATM water rating. The HRM 600 adds 7 running dynamics metrics (including step speed loss), standalone activity recording, indoor treadmill pace/distance, swim HR caching (5 ATM), daily activity tracking, and a rechargeable battery. If you only need HR data for zone training, the HRM 200 is excellent value. If you want running form analysis or watchless recording, the HRM 600 is the right tool.

Does it work with non-Garmin devices?

Yes — in Open Bluetooth mode the HRM 600 broadcasts standard HR data to any Bluetooth-compatible watch or app (Polar, COROS, Apple Watch, Wahoo, Zwift, gym equipment). ANT+ connections work with any ANT+-enabled device regardless of brand. Running dynamics and secure BLE require a compatible Garmin device.

Is it compatible with swimming?

Yes — 5 ATM rated to 50 meters. The HRM 600 records and stores heart rate during swimming, then syncs the data after the session ends. Live HR transmission does not work underwater because Bluetooth and ANT+ signals cannot pass through water. Wear the strap snugly under a swimsuit or wetsuit.

Heart Rate Monitors USA is an authorized Garmin dealer based in Warminster, PA. We sell only genuine Garmin products and ship from the United States. 1-year manufacturer’s limited warranty included. CA Residents: Cancer and Reproductive Harm — see P65Warnings.ca.gov.