Amazon.co.jp: [ガーミン]Garmin vívoactive 3 Music, GPS Smartwatch with Music Storage and Built-in Sports Apps[並行輸入] (標準/Standard, Black with Stainless) : 家電&カメラ
Vivoactive 4 Vs Vivoactive 3: How Do They Compare? - YouTube
Garmin vívoactive® 4 | Smartwatch with GPS | Fitness