22mm Compatible Model:
Samsung Galaxy Watch 3 45MM SM-R840
Samsung Galaxy Watch 46MM SM-R800
Samsung Gear S3 Classic
Samsung Gear S3 Frontier
Samsung Gear 2 R380
Samsung Gear 2 Neo R381
Samsung Live R382
Garmin Vivoactive 4
Garmin Forerunner 745
Huawei Watch GT1 42mm / 46mm
Huawei Watch GT2 46mm
Huawei Honor Watch GS Pro
Huawei Honor Magic Watch 2 46mm
Huawei Honor Magic Watch
20mm Compatible Model:
Samsung Galaxy Watch 3 41mm SM-R850
Samsung Galaxy Watch Active
Samsung Galaxy Watch Active 2
Samsung Galaxy Watch 42mm SM-R810
Samsung Gear Sport SM-R600
Samsung Gear S2 Classic SM-R732
Huawei Watch GT2 42mm
Huawei Honor Watch SE
Huawei Honor Magic Watch 2 42mm
Garmin Vivoactive 3
Garmin Vivoactive 3 Music
Garmin Venu
Garmin Forerunner 245
Garmin Forerunner 645