Introduction
The ref. 6238 occupies a pivotal position in the evolution of the Rolex chronograph. Produced during the 1960s, it represents the final generation before the arrival of the ref. 6239 Cosmograph, yet retains the cleaner architecture of Rolex's earlier chronographs: a smooth steel bezel, tachymeter scale printed on the dial and three recessed registers contained within a restrained 36mm case. The subsequent move of the tachymeter to an external bezel fundamentally changed the appearance of the Rolex chronograph and established the basic visual formula that would define the Daytona.
This stainless steel example dates to 1965 and features the classic silver dial configuration, with applied baton hour markers, three contrastingly finished subsidiary registers and the tachymeter scale running around its perimeter. Inside is the manually wound Rolex calibre 722, derived from the Valjoux 72 architecture that underpinned Rolex's chronographs during this important transitional period. The ref. 6238 may have acquired its retrospective “Pre-Daytona” nickname through what followed, but its significance extends well beyond being merely a precursor.
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Grade
V 8.5
Status
Vetted & Approved
Included
Watch Only
Est. value range
$20,000 – $30,000
The Details
Brand
Rolex
Dimensions
36mm
Model
Chronograph Pre-Daytona
Movement
Manual-wind Rolex calibre 722
Reference
6238
Bracelet
Rolex C&I hollow rivet-link Oyster bracelet
Year
1965
Condition
Excellent
Material
Stainless steel
Included
Watch only
Dial Color
Silver
THE DIAL
The silver dial illustrates the crucial difference between the ref. 6238 and the Cosmograph that followed it. Its tachymeter remains printed around the dial rather than transferred to the bezel, while three recessed registers with concentric finishing provide the chronograph indications. Applied baton markers and luminous hands complete the restrained monochromatic arrangement.
THE CONSTRUCTION
The 36mm stainless steel case retains the smooth polished bezel characteristic of the ref. 6238, placing all of the chronograph's scales within the dial itself. Its familiar pump pushers and Oyster case architecture already point towards the succeeding Cosmograph, while the Rolex C&I hollow rivet-link Oyster bracelet reinforces the distinctly vintage character of this example.
TIMING MACHINE READOUT
This reading was taken (crown down) with a ONEOF Accuracy Boutique Edition timing machine at time of cataloging. It is provided as a courtesy only, and shall not be construed as a warranty or guarantee of any kind. Please refer to our terms and conditions of sale for more information.
Condition
Watch is in overall excellent condition. The steel case shows scratches and small nicks, as expected of a watch of this vintage. The winding crown and pushers are in excellent condition. The silver dial shows light spotting across the surface, with damage and/or discolouration to some of the luminous hour plots and degradation around the edges of the sub-dials. The hands show some surface marks. The US C&I hollow rivet Oyster bracelet shows surface scratches and moderate play between the links. The bracelet is fitted with 12 links and fits approximately a 7¼” wrist.
Our Perspective
The ref. 6238 is best understood not simply as the watch before the Daytona, but as the point at which Rolex's traditional chronograph architecture was about to become something entirely new. Its smooth bezel and dial-mounted tachymeter preserve the elegance of the earlier generation, while the case, movement and basic layout anticipate the Cosmograph. Add the silver dial and period C&I rivet bracelet, and this is a particularly evocative expression of that transition.
Eric Ku
Co-founder
