Compatible Models
20mm Watch Band
Samsung
Galaxy Watch 4 44mm / 40mm (2021), Galaxy Watch 4 Classic 46mm / 42mm, Galaxy Watch Active, sport, Galaxy Watch 42 mm, Gear S2 Classic, Galaxy Watch 3 41mm, Galaxy watch Active 2 40mm, Galaxy watch Active 2 44mm
Garmin
Forerunner 645, Fenix 5S Plus, S40-GOLG, Forerunner 235L, Forerunner 735, Forerunner 245M, Approach S40, Vívoactive 3 trainer, Vívomove HR, Vivoactive 3 trainer, Vivomove HR, Forerunner 245 Music
Pebble
Time Round Large, Round 20mm
Polar
Ignite, Unite
Fossil
Q Gazer
Withings
Steel HR 40mm
22mm Watch Band
Samsung
Gear S3, Galaxy Watch 46 mm, Gear S3 Classic, Gear S3 Frontier
Garmin
Fenix 5, Fenix 5 Plus, Fenix 6, Fenix 6 pro, Forerunner 935, Forerunner 945, Instinct, Approach S62, Approach S60
Fitbit
Versa, Versa 2, Versa lite, Blaze
Fossil
Q Founder 2.0, Q Marshal, Q Wander, Q Crewmaster, Q Nate, Men's Gen 5 Carlyle, Men's Gen 4 Explorist HR, Women's Gen 5 Julianna, Gen 5 Carlyle HR, Sport Gen 4, Q Explorist Gen 3, Q Founder Gen 2, Q Marshal Gen 2, Q Wander Gen 2, Q Founder, Q Grant, Q Commuter, Q Explorist HR Gen 4, Men's Sport 43mm
Pebble
Watch, Classic, Time Steel, Time
LG
Urbane, G Watch R, G Watch, W7
Huawei
Watch 2 Classic, Watch 2, Watch 2 pro, Watch GT, Watch GT Sport, Watch GT2
Ticwatch
2, S2, Pro, E2, Pro 4G LTE, Pro 3
Seiko
SKX007, SNKP27, SNN241, SPC129P1, SSC667, SNZG11K1
Moto
360 2nd Gen 46mm 2015, 3Plus, 3Plus Cruz
Amazfit
Pace, GTR 47mm, GTR Lite, Nexo, Stratos
Armani
Exchange Men's Hybrid Smartwatch, AX Touchscreen Smartwatch, AX1327, AX2507, AX2508, Men's Smartwatch 2
Nixon
Base Tide, Base Tide Pro, Staple 22mm, Staples 38mm
Tissot
Chrono XL, XL Classic, Coururier, Gent XL, Gent XL Classic, Seastar 1000 Chronograph, Supersport Crono, V8 Alpire, V8 Quartz Chronograph, V8 Swissmatic
Shinola
Canfield Sport 45mm, Detrola, Runwell Automatic 45mm
Other Brand Models
Asus Zenwatch 2, Vector watch Luna, Vector Meridian, Vostok Amphibian, Basis Peak Fitness Tracker, Cookoo Smart Watch, Martian Notifier Smart Watch, Quatix 5