Garmin Swim 2, GPS Swimming Smartwatch for Pool and Open Water, Underwater Heart Rate, Records Distance, Pace, Stroke Count and Type, Slate Gray : Amazon.co.uk: Sports & Outdoors
6 Best Swim Watches for Dominating the Water - YourSwimLog.com
Garmin Swim 2 Easy to Use Lightweight GPS Swimming Smartwatch , Pool and Open Water Smartwatch, Records Distance , Pace , Stroke Count and more ,Slate Grey : Amazon.co.uk: Sports & Outdoors