22mm watch bands are compatible with:

- Samsung：

Samsung Galaxy Watch 3 45mm, Samsung Galaxy Watch 46mm, Samsung Gear S3 Frontier/Classic, Samsung Gear 2 R380/Gear 2 Neo R381 etc;

- Garmin:

Garmin Vivoactive 4 45mm, Garmin Venu 3/Venu 2, Garmin Forerunner 255/255 Music/265, Forerunner 935/945, Forerunner 570 47mm etc;

- Amazfit：

Amazfit Bip 6/5, Amazfit GTR 4/GTR 3 Pro/GTR 3/GTR 2e/GTR 2/GTR 47mm, Amazfit Pace, Amazfit Stratos 2/2S/3, Amazfit Balance, Amazfit Cheetah/Cheetah Pro etc;

- Huawei：

Huawei Watch 4/4 Pro, Huawei Watch GT4 46mm；Huawei Watch GT3/3 Pro 46mm, Huawei Watch GT2/GT2e/2 Pro 46mm, Huawei Watch GT Runner/Ultimate/Buds, Honor Magic Watch 1/ Honor Watch Dream / Honor Magic Watch 2 46mm etc;

- Fossil：

Fossil Men's Gen 6 44mm(Not 42mm), Gen 5 LTE/5E 44mm/Gen 5 Carlyle/Julianna/Garrett/Carlyle HR, Gen 4 Explorist HR/Gen 4 Sport, Gen 3 Q Explorist, Gen 2 Q Founder/Marshal/Wander, Q Founder/Marshal/Wander/Crewmaster/Grant/Explorist, Commuter, Men's Sport 43mm

- TicWatch：Ticwatch ProX/Ticwatch Pro3 Lite/Ticwatch Pro3/Ticwatch Pro 2020/Ticwatch Pro 2021 etc;

- Other Watch：

Pebble Time/Pebble Time Steel/Pebble Classic, COROS VERTIX/COROS APEX 46mm/COROS APEX PRO etc;

Seiko 5 SNZG15/Seiko 5 SPORTS SNZG15J1/Seiko SSB359/Seiko SKX007 etc;

LG G Watch W100/LG G Watch R W110/LG Watch Urbane W150, Citizen AW1361-10H Eco-Drive Avion etc.

20mm watch bands are compatible with:

- Samsung:

Samsung Galaxy Watch 7/6/5/4 (40mm 44mm), Samsung Galaxy Watch 6 Classic (43mm 47mm)/Galaxy Watch 5 Pro (45mm)/Galaxy Watch 4 Classic (42mm 46mm)/Galaxy Watch Active 2 (40mm 44mm)/Galaxy Watch Active (40mm), Samsung Galaxy Watch FE (40mm)/Galaxy Watch 3 (41mm), Galaxy Watch 42mm, Gear S2 Classic/S2/Gear Sport etc;

- Garmin：

Garmin Venu Sq/Venu/Venu 2 Plus/Venu Sq 2/Venu Sq Music, Vivoactive 6/Vivoactive 5/Vivoactive 3/Vivoactive 3 Music, Forerunner 245/245 Music, Forerunner 645/645 Music, Forerunner 55/165/158, Vivomove/Vivomove 3/Vivomove HR/Vivomove Sport/Vivomove Style/Vivomove Luxe/Vivomove Trend etc;

- Timex：

Timex Unisex Weekender 38mm Watch, Timex Expedition Scout 40 Watch, Timex Weekender Chronograph 40mm, Timex Easy Reader 38mm, Timex Weekender 40mm etc;

- Citizen:

Citizen Eco-Drive AT0200-05E, Citizen Eco Drive Promaster BN0150-28E etc;

- Omega:

Omega x Swatch MoonSwatch Speedmaster, Omega Speedmaster Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Sun, Moon

- Seiko：

Seiko SARB017, Seiko SNE102 Solar Watch etc;

- Other Watch：

Nerunsa P66D Smart Watch, TOZO S3 Smart Watch, Donerton P22 P32 P36, KALINCO P22 P32 P36, Fossil Q Commuter Hybrid, Fossil Q Gazer, Ticwatch 2, Pebble Time Round Large etc.