Garmin ANT+ HRM-Swim Monitor

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Garmin HRM-Swim

The Garmin HRM-Swim is specially made for pool swimming. It has a sleek, non-slip strap that will stay in place even when you push off hard from the wall and is chlorine resistant.

It stores heart rate data under water and forwards it after the swim to a compatible Garmin device.* When you (and the monitor and watch) are out of the water, it will send real-time heart rate and interval summaries to the watch. It functions just as you would expect a heart rate monitor to when you bike and run, as well.

Typical uses for the HRM-Swim include pool swims, open water swims, and multi-sport workouts and triathlons in which you don't need/want advanced running dynamics.

* The Garmin HRM-Swim and HRM-Tri are fully compatible with the Forerunner 920XT, fēnix 3, epix.


  • Records heart rate underwater
  • Supports heart rate variability and advanced heart rate features
  • Non-slip design for pool swimming
  • Pool chemical resistant
More Information
DimensionsL x W x D: 23.0”–57.0” x 1.5” x 0.5” (58.0–145.0 x 3.8 x 1.2 cm)
Manufacturer's Part #010-12342-00
Run Time18 months (swimming 3 hours per week)
Weight2.5 oz. (72 g)