Amazon.com: URBAN ARMOR GEAR UAG Compatible with Samsung Galaxy Watch 5 Band 40mm & 44mm, Samsung Galaxy Watch 5 Pro 45mm, Galaxy Watch 4/4 Classic, Sporty Nylon Replacement Watch Strap NATO Grey :
Samsung Galaxy Watch 5 Band Pro 45/40/44mm, Samsung Galaxy Watch 4 Band Classic 40/4442/46mm, No Gap Band, Mesh Band, Solid Stainless Steel - Walmart.com