Compatible Models | Garmin Vivoactive 4 45mm, Venu 2 45mm, Darth Vader, First Avenger, Polar Vantage M Bands, 22mm Silicone Watch Bands for Samsung Galaxy Watch 3 45mm, Galaxy Watch 1 46mm 2019, Samsung Gear S3 Frontier, Gear S3 Classic Smartwatch; Amafit GTR2/GTR 3 PRO | Garmin Vivoactive 4 45mm, Venu 2 45mm, Darth Vader, First Avenger, Polar Vantage M Bands, 22mm Silicone Watch Bands for Samsung Galaxy Watch 3 45mm, Galaxy Watch 1 46mm 2019, Samsung Gear S3 Frontier, Gear S3 Classic Smartwatch; Amafit GTR2/GTR 3 PRO | Garmin Vivoactive 4 45mm, Venu 2 45mm, Darth Vader, First Avenger, Polar Vantage M Bands, 22mm Silicone Watch Bands for Samsung Galaxy Watch 3 45mm, Galaxy Watch 1 46mm 2019, Samsung Gear S3 Frontier, Gear S3 Classic Smartwatch; Amafit GTR2/GTR 3 PRO | Garmin Vivoactive 4 45mm, Venu 2 45mm, Darth Vader, First Avenger, Polar Vantage M Bands, 22mm Silicone Watch Bands for Samsung Galaxy Watch 3 45mm, Galaxy Watch 1 46mm 2019, Samsung Gear S3 Frontier, Gear S3 Classic Smartwatch; Amafit GTR2/GTR 3 PRO |