![ROLEX | COSMOGRAPH 'BIG RED' DAYTONA, REFERENCE 6263, A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1974 | 勞力士| "Cosmograph ""Big Red"" Daytona 型號6263 精鋼計時鏈帶腕錶,錶殼編號3710666,約1974年製" | QA NY Deployment Hold Test ROLEX | COSMOGRAPH 'BIG RED' DAYTONA, REFERENCE 6263, A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1974 | 勞力士| "Cosmograph ""Big Red"" Daytona 型號6263 精鋼計時鏈帶腕錶,錶殼編號3710666,約1974年製" | QA NY Deployment Hold Test](https://sothebys-md.brightspotcdn.com/dims4/default/127156e/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fc8%2F41%2F23cd85a246fe8f954fcd84adcecd%2F558hk0972-bn6mp-037-01-1.jpg)
ROLEX | COSMOGRAPH 'BIG RED' DAYTONA, REFERENCE 6263, A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1974 | 勞力士| "Cosmograph ""Big Red"" Daytona 型號6263 精鋼計時鏈帶腕錶,錶殼編號3710666,約1974年製" | QA NY Deployment Hold Test
![ROLEX | REFERENCE 6263 DAYTONA 'SIGMA DIAL' A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1974 | Watches | 2020 | Sotheby's ROLEX | REFERENCE 6263 DAYTONA 'SIGMA DIAL' A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1974 | Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/2d06a43/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fff%2F05%2F7b9bea9946bb9ac0df7d4933042c%2Fblzgl-rolex-6263-sigma-1.jpg)
ROLEX | REFERENCE 6263 DAYTONA 'SIGMA DIAL' A STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET, CIRCA 1974 | Watches | 2020 | Sotheby's
![ROLEX | Daytona, Ref. 6263, A Stainless Steel Chronograph Wristwatch with “Sigma” Dial and Oyster Bracelet, Circa 1974 | Watches Online: The Driver's Collection | Watches | Sotheby's ROLEX | Daytona, Ref. 6263, A Stainless Steel Chronograph Wristwatch with “Sigma” Dial and Oyster Bracelet, Circa 1974 | Watches Online: The Driver's Collection | Watches | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/3f1b7f2/2147483647/strip/true/crop/800x800+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F99%2F5c%2Fff6c51cc4942ad13fe9df1127e98%2F177n10225-bbp4n.jpg)
ROLEX | Daytona, Ref. 6263, A Stainless Steel Chronograph Wristwatch with “Sigma” Dial and Oyster Bracelet, Circa 1974 | Watches Online: The Driver's Collection | Watches | Sotheby's
![ROLEX, REF. 6263, SIGMA DIAL, ORIGINAL BOX, WARRANTY | Important Modern & Vintage Timepieces | Geneve, June 28, 2020 ROLEX, REF. 6263, SIGMA DIAL, ORIGINAL BOX, WARRANTY | Important Modern & Vintage Timepieces | Geneve, June 28, 2020](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/329/lots/255/255.jpg)
ROLEX, REF. 6263, SIGMA DIAL, ORIGINAL BOX, WARRANTY | Important Modern & Vintage Timepieces | Geneve, June 28, 2020
![ROLEX | Daytona, Ref. 6263, A Stainless Steel Chronograph Wristwatch with “Sigma” Dial and Oyster Bracelet, Circa 1974 | Watches Online: The Driver's Collection | Watches | Sotheby's ROLEX | Daytona, Ref. 6263, A Stainless Steel Chronograph Wristwatch with “Sigma” Dial and Oyster Bracelet, Circa 1974 | Watches Online: The Driver's Collection | Watches | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/8b16969/2147483647/strip/true/crop/800x1504+0+0/resize/2048x3850!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fd8%2F19%2F2acf29ca4b868bca71ac61eb31f3%2F183n10225-bbp4n.jpg)