Garmin Swim 2 GPS Swimming Smartwatch, Slate Grey, One Size

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Get underwater heart rate data without a chest strap. Check heart rate right on your wrist as you swim and during rests
Using built-in GPS, train in lakes, oceans and rivers while recording distance, pace, stroke count, stroke rate, stroke distance and SWOLF
Dive into the water and start recording distance, pace, stroke count, stroke type and SWOLF; take advantage of advanced pool features, including auto rest
Track time and distance for drills such as kicking, one-arm swimming or sculling
Turn-based pacing alerts make it easy to stay on target and meet goals