I just got my Watch 4 Classic 46mm. Coming from the Watch 3 45mm in Mystic black I love the upgrade!! Btw the band looks good IMO on my rather small wrist.
Amazon.com: Bekomo Bands Compatible Galaxy Watch 3 Band 45mm with protective bezel,Women Men Bling Diamond Jewelry Strap Compatible for Samsung Galaxy Watch 45mm/46mm/Gear s3 Frontier/Classic,Sport(Black). : Cell Phones & Accessories