Buy 20mm 22mm Metal Milanese Band Strap for Samsung Galaxy watch 4 40mm 44mm Classic 42mm 46mm Active 2 Gear S3 S2 Classic for Huawei Watch 2 Pro amazfit at affordable prices —
Buy S/M Sport Band For Galaxy Watch 4 & Classic | Samsung UK
NON-FADING Ceramic Samsung Galaxy Watch 4 Band NEW Galaxy - Etsy UK
Buffalo Plaid Galaxy Watch 3 4 5 Pro Band Active 2 40 42 44 45 - Etsy UK
20/22mm Christmas Band Bracelet Strap For Samsung Galaxy Watch 4 Classic 42/46mm | eBay
Galaxy Watch 4 Band - Etsy UK
Fullmosa 20mm Metal Watch Straps Compatible with Samsung Galaxy Watch 4/ Watch 5/Galaxy Watch 5 Pro 40mm 44mm Galaxy Watch 4 Classic 42mm 46mm Watch 3 41mm, Active 2 Watch, Stainless Steel Bands:
ISABAKE 22mm Strap for Samsung Galaxy Watch 3 45mm / Galaxy Watch 46mm / Gear S3 Frontier, Quick Release Replacement Band for Garmin Vivoactive 4 : Amazon.co.uk: Electronics & Photo
Buy Silicone Strap For Samsung Galaxy watch 4 3 Active 2 gear s3 s2 s4 Amazfit bipwatch band bracelet watchband for Huawei GT/GT2/2E Pro 20/22MM at affordable prices — free shipping, real
For those of you that care, both the 46mm and 42mm Galaxy Watch 4 classics run a 20mm band. Some folks (including Samsung support) have been saying they run 22mm. : r/WearOS