Reference:6239: Difference between revisions

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The 6239 is the first true Cosmograph Daytona. It moves the tachymetric scale off the dial and onto an engraved steel bezel, and brings contrasting sub-dial colours to the Rolex chronograph line for the first time. Production runs from 1963 to 1969, overlapping the late pump-pusher 6238 it replaced and the early screw-pusher 6240 it ushered in. Roughly 14,000 examples in steel and about 300 in 18k yellow gold put the 6239 alongside the 6263 as one of the two foundational Daytona references in collector terms.
The 6239 is the first true Cosmograph Daytona. It moves the tachymetric scale off the dial and onto an engraved steel bezel, and brings contrasting sub-dial colours to the Rolex chronograph line for the first time. Production runs from 1963 to 1969, overlapping the late pump-pusher 6238 it replaced and the early screw-pusher 6240 it ushered in. Estimated production was roughly 14,000 examples in steel and about 300 in 18k yellow gold.


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== Production outline ==
== Production outline ==


Six years of continuous production, then a quiet end. The clean working window is 1963 to 1969 across the major sources, with a little 1970 overlap noise on the gold side from Papaleo's catalog work.
Most sources date production to 1963–1969. Pucci Papaleo’s catalogue work includes some gold examples dated 1970.


Serial bands pin the broad sequence even where exact years drift by a few months between sources: Mark 1 at the start, Daytona text added in 1964, dial text moved above the 6 o'clock sub-dial in 1967, and the bezel scale cut from 300 to 200 in the same late-1960s window.
Serial bands pin the broad sequence even where exact years drift by a few months between sources: Mark 1 at the start, Daytona text added in 1964, dial text moved above the 6 o'clock sub-dial in 1967, and the bezel scale cut from 300 to 200 in the same late-1960s window.
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The 6239 dial story is dense, and most of what makes the reference collectable above the Pre-Daytona generation lives in these variants across six years of production.
 


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Early Mark 1 watches are identified by a cluster of traits — the underline reads as part of the radium-to-tritium transition. The Paul Newman dial was a weak seller when new and only became the category-defining prize decades later.
Early Mark 1 watches are identified by a cluster of traits — the underline reads as part of the radium-to-tritium transition. The Paul Newman dial sold poorly when new and became sought after decades later.


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The 6239 case is 36mm stainless steel, no crown guards, in the 3-6-9 chronograph idiom Rolex carried over from the 6238. It runs pump pushers throughout, never the screw-down design the 6240 introduces in 1965. The crown is a 7mm Twinlock signed with the Rolex coronet only, since the watch is not Oyster-rated and carries no "Oyster" designation. The crystal is a flat acrylic. Lugs are 19mm, which sets the bracelet vocabulary across every manual-wind Daytona.
The 6239 case is 36mm stainless steel, no crown guards, in the 3-6-9 chronograph idiom Rolex carried over from the 6238. It runs pump pushers throughout, never the screw-down design the 6240 introduces in 1965. The crown is a 7mm Twinlock signed with the Rolex coronet only, since the watch is not Oyster-rated and carries no "Oyster" designation. The crystal is a flat acrylic. Lugs are 19mm, which sets the bracelet vocabulary across every manual-wind Daytona.


The bezel does most of the visual work. Its engraved tachymeter scale separates the 6239 from the 6238 at a glance, and the 275, 300, and 200-unit graduations place a given watch inside the run.
Its engraved tachymeter scale separates the 6239 from the 6238 at a glance, and the 275, 300, and 200-unit graduations place a given watch inside the run.


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== Notable wearers and cultural footprint ==
== Notable wearers and cultural footprint ==


The 6239 is the reference that turned a watch into a proper noun. Paul Newman wore the exotic-dial version Joanne Woodward gave him through his racing years, and its 2017 Phillips sale set the ceiling for the entire model. The dial itself — its Mk1 through Mk4 progression and the other host references — is covered on [[Reference:paul-newman-daytona]].
Paul Newman wore the exotic-dial version Joanne Woodward gave him through his racing years, and its 2017 Phillips sale set the ceiling for the entire model. The dial itself — its Mk1 through Mk4 progression and the other host references — is covered on [[Reference:paul-newman-daytona]].


=== Paul Newman's 6239 ===
=== Paul Newman's 6239 ===