Smartwatch Sizes

Watches Band Width
Apple Watch Series 1-6 & SE - 38mm or 40 mm case 38mm/40 mm or 22mm with Lug
Apple Watch Series 1-6 & SE - 42mm or 44 mm case 42mm/44 mm or 24mm with Lug
Fossil Explorist HR Gen 3,4 22mm
Fossil Sport 43MM 22mm
Garmin Vivomove HR 20mm
Garmin Vivoactive 3 20mm
Huawei Watch 2 18mm
Moto 360 (46 mm) 22mm
Samsung Galaxy Watch3 (41mm) 20mm
Samsung Galaxy Watch3 (45mm) 22mm
Samsung Gear Live 22mm
Samsung Gear S2 classic 20mm
Samsung Gear S3 frontier & classic 22mm
Samsung Active 2 (40mm & 44mm) 20mm
Samsung Galaxy Watch 46mm 22mm
Samsung Galaxy Watch 42mm 20mm
Ticwatch E 20mm
Ticwatch S 22mm