The best strap for the Galaxy Watch 4 classic turned out to be the new Fabric Band. The one in the package is crap, and the others: Sport and Extreme Sport are
Leather Hybrid Band For Samsung Galaxy Watch 5 & Galaxy Watch 4 | StrapsCo
ZPJPPLX Compatible for Samsung Galaxy Watch 4 & 5 Bands, No Gap tainless Steel Metal Straps for Galaxy Watch 4 & 5 40mm 44mm /Watch 4 Classic /Galaxy Watch 5 pro Straps Men Women : Amazon.ca: Electronics
The best Samsung Galaxy Watch 4 bands - Android Authority
Galaxy Watch 4 40mm on small wrist (+alt straps) : r/GalaxyWatch
Buy S/M Sport Band For Galaxy Watch 4 & Classic | Samsung UK
StrapsCo Suede Genuine Leather Watch Strap for Samsung Galaxy Watch 4 - Long - Orange | Best Buy Canada
Best Samsung Galaxy Watch 4 bands: Dress up your Samsung smartwatch - Wareable
New Samsung Galaxy Watch 4 straps, faces are here - Android Authority
Galaxy Watch 4 Band Size: They All Take 20mm Bands