20mm applicable watch model:
For Samsung Galaxy watch4 40MM/44mm
For Samsung Galaxy watch4 classic 42MM/46mm
For Samsung Gear S2 Classic, Gear Sport; Huawei watch 2
For Gear Sport SM-R600
For Gear S2 Classic SM-R732 & SM-R735 (BUT NOT fit for Gear S2 SM-R720 & SM-R730)
For Samsung Galaxy Watch Active
For Samsung Galaxy Watch 42mm
For Samsung Galaxy watch Active 2 40mm
For Samsung Galaxy watch Active 2 44mm
For Moto 360 2nd Gen Men's 42mm
For Fossil Q Gazer
For Huawei watch 2 sport
For Pebble Time Round Large
For Withings Steel HR 40mm
For Ticwatch 2 / Ticwatch E
For Garmin Vivoactive 3
For Garmin Vivoactive 3 Music
For Garmin Forerunner 645 Music
For Garmin Forerunner 645
For Garmin Forerunner 245
For Garmin Forerunner 245 Music
For Huami Amazfit GTR 42mm
For Huami Amazfit BIP
For huami amazfit BiP pace Lite
For huawei AMAZFIT bip youth
For Huamei amazfit GTS
For Garmin Approach S40
For Garmin Vivomove HR
For Garmin vivoactive 3t
For Samsung Gear S2
For Samsung Gear Sport
For Ticwatch e
For Garmin Vivomove HR
For Garmin Venu
For GarminMove 3
For GarminMove Luxe
For GarminMove Style
22mm applicable watch model:
For HUAWEI WATCH 3 46MM
For HUAWEI WATCH 3 Pro 48MM
For Huawei Watch GT
For Samsung Galaxy watch 3 45mm
For Samsung Galaxy watch 46mm
For Samsung gear S3 front
For Garmin fenix Chronos
For Xiaomi Huami Amazfit Stratos Pace 2
For Xiaomi Huami Amazfit Stratos Pace 2S
For Samsung gear S3 classic
For Xiaomi Huami Amazfit 2/2S
For Ticwatch Pro
For Xiaomi Huami Amazfit GTR 47mm
For huawei Magic GT
For Huawei Honor Watch Magic
For Huawei magic Watch 2 46mm
For Huawei Watch GT2 46mm
For Huawei Watch GT
For Huawei Watch Gt Active
For Huawei Watch Gt Elegant
For Garmin Vivoactive 4