![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 REF. 6239 DOUBLE SWISS UNDER LINE STEEL Rolex "Cosmograph", case No.923270, Ref. 6239. Made circa 1962. Very fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, steel ROLEX REF. 6239 DOUBLE SWISS UNDER LINE STEEL Rolex "Cosmograph", case No.923270, Ref. 6239. Made circa 1962. Very fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, steel](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/292/lots/357/357.jpg)
ROLEX REF. 6239 DOUBLE SWISS UNDER LINE STEEL Rolex "Cosmograph", case No.923270, Ref. 6239. Made circa 1962. Very fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, steel
![ROLEX. A VERY FINE AND EXTREMELY RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET AND “FLOATING DAYTONA DOUBLE SWISS” DIAL ROLEX. A VERY FINE AND EXTREMELY RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET AND “FLOATING DAYTONA DOUBLE SWISS” DIAL](https://www.christies.com/img/LotImages/2016/HGK/2016_HGK_12578_2875_000(rolex_a_very_fine_and_extremely_rare_stainless_steel_chronograph_wrist075652).jpg?mode=max)
ROLEX. A VERY FINE AND EXTREMELY RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET AND “FLOATING DAYTONA DOUBLE SWISS” DIAL
![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)