The Modern Rolex Bracelet Sizing Video above is used primarily for 6-digit Rolex references with solid end links and solid milled clasps. Some common examples include the Rolex Submariner 126610, the Rolex GMT Master II 116710, and the Rolex Daytona 116500, among many other modern Rolexes.

The Vintage Rolex Bracelet Sizing Video above is used primarily for 5-digit Rolex references with hollow end links and stamped clasps. Some common examples include the Rolex Submariner 16610, the Rolex GMT Master II 16710, and the Rolex Explorer II 16570, among many other vintage Rolexes.