Rolex Datejust Turn-O-Graph 6309

An attractive and rare, Datejust Turn-O-Graph, automatic wristwatch in yellow gold, with red-signature dial and date, reference 6309.

An attractive and rare, Datejust Turn-O-Graph, automatic wristwatch in yellow gold, with red-signature dial and date, reference 6309. Model Datejust Turn-O-Graph, Year 1954, Reference 6309, Case Material 18K yellow gold, Case Number 28'414, Bracelet Material 18K yellow gold Rolex bracelet, approximate length 200mm, Movement Automatic, cal. 743, 18 jewels, Dimension 36mm Diameter, Signed Case, dial and movement. The Datejust Turn-O-Graph ref. 6309 marks an important step in the evolution of mid-century wristwatch design, reflecting the moment when refined dress aesthetics began to merge with practical functionality. Introduced in 1954, it illustrates a forward-looking concept: maintaining the elegance of the Datejust while incorporating a rotating timing bezel intended for real use, placing it among the earliest luxury wristwatches conceived with a utilitarian purpose. The introduction of a graduated rotating bezel, derived from the Turn-O-Graph ref. 6202, was intended to measure short intervals without the complexity of a chronograph. The reference was manufactured in 14 or 18-carat yellow or pink gold, as well as in steel-and-gold combinations. The model gained historical significance as the official watch of the USAF Thunderbirds aerobatic squadron, from which its well-known nickname originates. Produced only until 1956, the ref. 6309 remained in the catalogue for roughly two years, making surviving examples particularly rare and desirable today.