Zeblaze Swim GPS Swimming Smart Watch for Pool and Open Water Built-in GPS 24H Health Monitor Zeblaze Fit APP - AliExpress
Zeblaze Swim GPS Swimming Smartwatch Built-in GPS Heart Rate Monitor Watch For Pool and Open Water Swimming - AliExpress
Amazon.com: Garmin Swim 2, GPS Swimming Smartwatch for Pool and Open Water, Underwater Heart Rate, Records Distance, Pace, Stroke Count and Type, Slate Gray : Electronics
The best smartwatches for swimming: Apple, Garmin, and more