Amazon.co.jp: Garmin Swim 2, GPS Swimming Smartwatch for Pool and Open Water, Underwater Heart Rate, Records Distance, Pace, Stroke Count and Type, Slate Gray : 家電&カメラ
Garmin Swim 2 Watch at SwimOutlet.com
Here's The New Garmin Swim 2 And A Host Of New GPS Smartwatches - SHOUTS