010-12342-00
Stores Heart Rate Underwater and Forwards Data
- Specifically designed for swimmers
- Nonslip strap
- Stores and forwards heart rate data to compatible devices¹

Take your training to the next level by pairing HRM-Swim with a compatible Garmin watch1. The sleek, nonslip strap stays in place, even during wall push-offs. Once you’re resting out of water, real-time heart rate, interval summaries and stored heart rate are transmitted to your watch.
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
Additional
- 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
fēnix® 3 HR
fēnix® 3 Sapphire
D2™ Bravo
D2™ Charlie
D2™ Delta
D2™ Delta PX
D2™ Delta S
Descent™ Mk1
epix™
fēnix® 3
fēnix® 5
fēnix® 5 Plus
fēnix® 5S
fēnix® 5S Plus
fēnix® 5X
fēnix® 5X Plus
fēnix® Chronos
Forerunner® 735XT
Forerunner® 920XT
Forerunner® 935
quatix® 3
quatix® 5
quatix® 5 Sapphire
tactix® Bravo
tactix® Charlie
VIRB® 360
Example of Typical Uses
HRM-Tri |
HRM-Swim |
Bike rides, runs, bricks |
Pool swims |
Open water swims |
Open water swims |
Triathlon competition (open water swim) |
Triathlon competition (pool swim), triathlon kit not required |
Triathlon competition (with pool swim) while wearing triathlon kit |
Runs or bike rides as part of a multi-sport activity that includes a pool swim |