Rolex Cosmograph Daytona: The birth of a legend – Corrado Mattarelli
6239 (Early Daytona) / *Visionary Tokyo / Ring of Colour
The Hopkins Double Swiss Underline 6239. The First Rolex Daytona ever! - Rolex Passion Report
ROLEX | REFERENCE 6239 'DOUBLE SWISS UNDERLINE' DAYTONA A RARE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH REGISTERS, CIRCA 1963 | Important Watches | 2020 | Sotheby's
ROLEX 'BIG' DAYTONA 6239 - Roundtable Vintage
Rolex Ref 6239 double Swiss no underline Circa 1963 #Status Sold | EAST CROWN Vintage Watch
Le Monde Edmond | A 1963 Rolex Daytona 6239 'double swiss'
6239 Double Swiss Underline | VINTAGE & ARCHIVES
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