20mmFor Huawei GT3Pro 43For Huawei Watch4ProWatch 4 Classic 46mmWatch 4 Classic 42mmFor Huawei UltimateFor Huawei GT3Pro 46Watch 6 Classic 43mmGalaxy Watch 6 44mmGalaxy Watch 6 40mm22mmGalaxy Watch 4 44mmGalaxy Watch 4 40mmWatch 5Pro 45mmWatch 6 Classic 47mm