Garmin Garmin Accessories Retail Packaging Garmin HRM Swim Heart Rate Transmitter and Strap
Garmin Garmin Accessories Open Box Return - New Garmin HRM Swim Heart Rate Transmitter and Strap

Garmin HRM Swim Heart Rate Transmitter and Strap

Unit price per

Designed specifically for swimmers, the strap is a non slip, soft strap that is comfortable in the water. The transmitter stores heart rate data when in water and sends it to compatible devices when out. This transmitter is compatible with the 920XT, Fenix 3, and Epix

    This 2.4 GHz ANT wireless, non-slip strap, stores and forwards heart rate data to compatible devices. The HRM-Swim stores heart rate data when underwater Once out of water, real-time heart rate, interval summaries and stored heart rate are transmitted.

    The HRM-Swim stores heart rate data when underwater, then forwards it to the 920XT / epic / fenix 3. Great for Pool Swims and Open Water Swims.

    Heart Rate Info:
    Supports heart rate variability and advanced heart rate features
    ANT+ heart rate
    Stores and forwards heart rate

    Compatible with

    Forerunner 920XT

    Forerunner 735

    Forerunner 935XT

    Forerunner 645

    Fenix 5

    Tactix Bravo

    Fenix 3



    Bravo D2

    Water rating 5 ATM
    Stores up to 20 hours of heart rate data during swims, then forwards it to a compatible devices at the end of the session
    Sends real-time heart rate to the watch when the monitor is out of the water
    Swim interval heart rate statistics
    Resistant to Pool Chemicals

    Transmitter Unit Battery CR2032
    Transmitter Unit Battery life Approx. 18 months when swimming 3 hours per week

    A simple bi-fold adjustment reduces elastic weight and makes sizing easy.
    Dimensions -
    23.0 to 57.0 inches in length x 1.5 inches wide x 0.5 inches deep
    58.0 to 145.0 cm in length x 3.8 cm wide x 1.2 cm deep

    Weight -
    2.5 oz
    72 g

    Transmitter Unit
    Dimensions -
    29.4 x 51.4 x 8.5 mm

    1.8 oz
    51 g

    Garmin Connect Compatible
    View a complete picture of your activities with Garmin Connect, the free online community where you can save, plan and share. Create workouts, training plans and goals to get the most out of your device. View detailed swim metrics including heart rate graphs, swim pace, stroke type, mapping and more. Instantly upload through the Garmin Connect Mobile app to share before you finish cooling down. Plus, follow your activity tracking stats, including daily steps, distance and calories burned.


    Ca Residents: Click here for Proposition 65 warning

    Physical Specifications

    • Unit dimensions (LxWxD): 23.0”-57.0” x 1.5” x 0.5” (58.0 - 145.0 x 3.8 x 1.2 cm)
    • Weight: 2.5 oz (72 g)
    • Module size: 29.4 x 51.4 x 8.5 mm
    • Module weight: 1.8 oz (51 g)
    • Size adjustment: Bi-fold
    • Sizing range: 23.0”-57.0” (58.0 - 145.0 cm)
    • Battery: CR2032
    • Battery life: 18 months (swimming 3 hours per week)
    • Water rating: 5 ATM


    • ANT+® heart rate: yes
    • Supports heart rate variability and advanced heart rate features: yes
    • 2.4 GHz ANT wireless communication protocol: yes
    • Running dynamics: no
    • Stores and forwards heart rate: yes
    • Swim interval heart rate statistics: yes
    • Non-slip design for pool swimming: yes
    • Pool chemical resistant: yes