![Historical Perspectives: The Very First Rolex Daytona, Explained (Or, What Is A Double-Swiss Underline Daytona?) - HODINKEE Historical Perspectives: The Very First Rolex Daytona, Explained (Or, What Is A Double-Swiss Underline Daytona?) - HODINKEE](https://hodinkee.imgix.net/uploads/article/hero_image/256/FirstGenerationRolexDaytona_10.jpg?ixlib=rails-1.1.0&fm=jpg&q=55&auto=format&usm=12)
Historical Perspectives: The Very First Rolex Daytona, Explained (Or, What Is A Double-Swiss Underline Daytona?) - HODINKEE
![ROLEX | REFERENCE 6239 'DOUBLE SWISS UNDERLINE' DAYTONA A RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH REGISTERS, CIRCA 1963 | Important Watches | 2020 | Sotheby's ROLEX | REFERENCE 6239 'DOUBLE SWISS UNDERLINE' DAYTONA A RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH REGISTERS, CIRCA 1963 | Important Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/72982e1/2147483647/strip/true/crop/1500x2000+0+0/resize/2048x2731!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F04%2F6f%2F4aa745274b9cbc99f2d7b38534c8%2F002n10388-bgx7s.jpg)
ROLEX | REFERENCE 6239 'DOUBLE SWISS UNDERLINE' DAYTONA A RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH REGISTERS, CIRCA 1963 | Important Watches | 2020 | Sotheby's
![ROLEX | REFERENCE 6239 'DOUBLE SWISS UNDERLINE' DAYTONA A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH REGISTERS, CIRCA 1963 | Watches | 2020 | Sotheby's ROLEX | REFERENCE 6239 'DOUBLE SWISS UNDERLINE' DAYTONA A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH REGISTERS, CIRCA 1963 | Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/533b024/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fb9%2F01%2Ff5d6a0224715ab5644e25f0afcd1%2Fn10326-bn4y9-40-1.jpg)