Ringke Bezel Styling | Galaxy Watch 4 Classic [42mm] 01 – Ringke Official Store
Samsung Galaxy Watch 4 Classic 42mm 46mm Bluetooth Version Smartwatch | eBay
Insten Stainless Steel Metal Band For Samsung Galaxy Watch 4 40mm 44mm / Watch 4 Classic 42mm 46mm / Watch 3 41mm / Active 2, Replacement Strap with Link Adjustment Tool For Women Men, Rose Gold - Walmart.com
V-MORO Leather Strap Compatible with Galaxy Watch 42mm Bands/Active 40mm Band Women 20mm Fashion Flower Wristband with Rose Gold Buckle for Samsung Galaxy Watch 42mm R810/Galaxy Watch Active 40mm R500 - Walmart.com
Best replacement Galaxy Watch bands and straps - PhoneArena
Samsung Galaxy Watch4 Classic 42mm Smartwatch - Silver - Bonus Band Included | Costco
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