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== Where it sits in the line ==
== Where it sits in the line ==


The 6238 sits between the 6234 and the 6239. It inherits the earlier smooth-bezel, tachymeter-on-dial chronograph idea, then hands the line forward to the 6239 with only two really big changes: the tachymeter moves to the bezel and the sub-dials turn more contrast-heavy.
The 6238 sits between the 6234 and the 6239. It carries the smooth-bezel, tachymetre-on-dial chronograph layout forward from the 6234, then hands the line to the 6239 with two cosmetic changes: the tachymetre moves to the bezel, and the sub-dials gain contrast.


Bacs’s framing in the same piece is worth quoting: the 6238 “is almost a sibling of the Daytona, not a Pre-Daytona,” because production windows overlap by roughly four years and only those two visible parts separate the two references. The “Pre-Daytona” name is a market convention, not a Rolex distinction.
Aurel Bacs, in Russell Sheldrake's A Collected Man piece, calls the 6238 "almost a sibling of the Daytona, not a Pre-Daytona." Production windows overlap by roughly four years, and those two changes are the whole gap. Pre-Daytona is a market convention, not a Rolex distinction.


<span id="production-outline"></span>
<span id="production-outline"></span>
== Production outline ==
== Production outline ==


The dates are contested by a year at each end. Erik Slaven’s [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ Monochrome Daytona history] sets the 6238 from 1962 to 1968. Sheldrake, working from Saran and Dewitte, brackets the run as 1961 to 1967/68 with several years of overlap into early 6239 production. Both agree on the load-bearing fact: the 6238 did not stop when the 6239 launched.
Production dates differ by a year at each end. Erik Slaven's [https://monochrome-watches.com/history-rolex-daytona-chronograph-1963-in-depth-review/ Monochrome Daytona history] sets the run 1962–1968. Sheldrake, working from Edmond Saran and Pucci Dewitte, brackets it 1961–1967/68. Both place 6238 production overlapping early 6239 output.


Total production per Dewitte breaks down as roughly 3,590 in steel, 225 in 14k yellow gold, and 150 in 18k yellow gold — about 3,965 watches across the run. The two karat weights of gold follow the same US import-tax mechanism that drove the 6234’s split: 14k carried a lower import duty into the United States and was typically destined for that market, while 18k went elsewhere. ''The Vintage Rolex Field Manual'' does not break the figure out separately; Dewitte’s numbers are the working market reference.
Dewitte's production figures break down as roughly 3,590 in steel, 225 in 14k yellow gold, and 150 in 18k yellow gold, about 3,965 watches across the run. The two karat weights track the same US import-tax mechanism that drove the 6234's split: 14k carried a lower duty into the United States and was typically destined for that market, while 18k went elsewhere. ''The Vintage Rolex Field Manual'' does not break the figure out separately, and Dewitte's numbers are what the published market works from.


The serial bands track the run cleanly. First-year production sits in the 840,000 to 919,000 band (roughly 1962). The 950,000 to 997,000 band falls in 1963, the period when the 6239 arrives alongside. Serials from 1.0M to 1.5M cover 1964 to 1966, the bulk of production, and late examples in the 1.5M to 1.9M band carry into 1967 and 1968. Carlo Pergola’s serial-year chart anchors the matching; per-year volumes are not finer-grained than that in the published literature.
The serial bands track the run cleanly. First-year production sits in the 840,000 to 919,000 band, roughly 1962. The 950,000 to 997,000 band falls in 1963, the year the 6239 arrives. Serials from 1.0M to 1.5M cover 1964 to 1966, the bulk of production, and late examples in the 1.5M to 1.9M band carry into 1967 and 1968. Carlo Pergola's ''Rolex Daytona: A Legend Is Born'' supplies the serial-year matching; the published literature does not break finer than that.


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<span id="movement-notes"></span>
== Movement notes ==
== Movement notes ==


Inside is the Valjoux 72, the column-wheel, lateral-clutch, tri-compax chronograph base that goes on to power the entire manual-wind Daytona line through to the 6263 / 6265. The 6238 ran two Rolex variants. First-series production carried [[Reference:Movements#cal-72b|cal 72B]], the bare Valjoux 72 derivative held over from the late 6234 with Rolex finishing but no Rolex caliber stamp. The second-series redesign brought [[Reference:Movements#cal-722|cal 722]], the first Valjoux 72 to carry a Rolex caliber number, and that movement carried directly into the 6239 and 6241. The transition is documented by Sheldrake.
Inside is the Valjoux 72, the column-wheel, lateral-clutch, tri-compax chronograph base that powers the entire manual-wind Daytona line through to the 6263 / 6265. The 6238 ran two Rolex variants. First-series production carried [[Reference:Movements#cal-72b|cal 72B]], the bare Valjoux 72 derivative held over from the late 6234, finished by Rolex but not yet stamped with a Rolex caliber number. The second-series redesign brought [[Reference:Movements#cal-722|cal 722]], the first Valjoux 72 to carry the Rolex caliber stamp, and that movement carried directly into the 6239 and 6241. Sheldrake documents the transition in the A Collected Man piece.


Both calibers run at 18,000 vph (2.5 Hz), 17 jewels, no hack, no quickset. The frequency increase to 21,600 vph waited for cal 727 in 1970, two references downstream.
Both calibers run at 18,000 vph (2.5 Hz), 17 jewels, no hack, no quickset. The frequency increase to 21,600 vph waited for cal 727 in 1970, two references downstream.
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[[File:Ref 6238 dial-detail-reddit.webp|thumb|right|280px|alt=6238 dial detail|6238 dial detail]]
[[File:Ref 6238 dial-detail-reddit.webp|thumb|right|280px|alt=6238 dial detail|6238 dial detail]]


Edmond Saran cataloged 14 distinct dial / case iterations across the 6238 run for [https://le-monde-edmond.com/in-depth-review-rolex-6238-pre-daytona/ Le Monde Edmond’s 2016 in-depth review]. That taxonomy is the definitive working reference, and the per-mark photographic capture is in his French-language piece rather than in the English-language survey work. The English literature treats four variants with confidence.
Saran cataloged 14 distinct dial / case iterations across the 6238 run for [https://le-monde-edmond.com/in-depth-review-rolex-6238-pre-daytona/ Le Monde Edmond's 2016 in-depth review]. The per-mark photographs are in Saran's French-language piece; the English literature treats four variants with confidence.


The standard silver dial is the most common configuration across the run: silver tone with applied steel batons, tachymetre printed in black around the periphery (units per hour, scaled to the chronograph seconds hand), and three black-printed sub-dials in contrasting layout. The standard black dial is the more sought-after of the two main configurations and harder to find clean; the printing layout and sub-dial geometry match the silver, but the contrast inverts. A rare grey dial appears only in steel cases, a couple of shades darker than the silver, and Dewitte calls it out as a known but uncommon variant.
The standard silver dial is the most common configuration across the run: silver tone with applied steel batons, tachymetre printed in black around the periphery (units per hour, scaled to the chronograph seconds hand), and three black-printed sub-dials in contrasting layout. The standard black dial is the more sought-after of the two main configurations and harder to find clean; the printing layout and sub-dial geometry match the silver, but the contrast inverts. A rare grey dial appears only in steel cases, a couple of shades darker than the silver, and Dewitte calls it out as a known but uncommon variant.


The Japanese-market 6234 with “T SWISS T” and no lume on dial or hands is sometimes folded into Pre-Daytona discussion alongside the 6238. The dial retains the standard tritium designation but the lume itself was never applied, and the hands are special items with no lume channels fitted at the Rolex workshop. Dewitte attributes this to Japanese aversion to radioactive materials in the post-war period. The variant is documented on the 6234 specifically rather than on the 6238, but it sits in the same lineage discussion, and a collector working through 6238 candidates will read about it in the same place.
The Japanese-market 6234 with "T SWISS T" and no lume on dial or hands sits in the same lineage discussion. The dial retains the tritium designation, but the lume was never applied, and the hands left the Rolex workshop without lume channels. Dewitte attributes the configuration to Japanese aversion to radioactive materials in the post-war period. The variant is documented on the 6234 rather than the 6238, but the literature covers it under the Pre-Daytona heading.


Retailer-signed examples surface across the run in small numbers. Tiffany &amp; Co. and Serpico y Laino signatures have been recorded on 6238 dials at auction; one or two per dial generation is the working census. As with the 6239 retailer dials, none are common, and the signature is added under the Rolex coronet without disturbing the standard dial layout.
Retailer-signed examples surface across the run in small numbers. Tiffany &amp; Co. and Serpico y Laino signatures have been recorded on 6238 dials at auction; one or two per dial generation is the working census. As with the 6239 retailer dials, none are common, and the signature is added under the Rolex coronet without disturbing the standard dial layout.


A specific hand-length point shows up at authentication. The short minute hand is widely accepted as original 6238 fitment. A longer minute hand resembling the 6239’s appears mainly on later examples in the parallel-production overlap period. Dewitte notes both sets are correct Rolex hands; the longer set could be cross-fitted from the 6239 line during the overlap or could be service replacement, and the source literature takes no firm position on which.
Hand length divides authentication opinion. The short minute hand is the accepted original 6238 fitment; a longer minute hand resembling the 6239's appears on later examples produced in parallel with the 6239. Dewitte treats both as correct Rolex hands. Whether the longer set was cross-fitted from the 6239 line during the overlap or arrived as service replacement is not settled in the published literature.


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The Big Logo Gay Frères–stamped clasp is the period-correct fit on early 6238 production; the Small Logo Rolex-coronet clasp succeeds it from 1958 forward and is the more commonly seen clasp on a surviving 6238. Neither carries a date code in the modern sense. The inside-clasp quarterly stamp on Gay Frères clasps from the late 1950s through 1975 reads as &lt;Roman quarter&gt;.&lt;two-digit year&gt; (for example “III.62” for third quarter 1962). The single-letter year code system does not start until 1976. The clasp dates the bracelet, not the watch head; see [[Reference:Bracelets]] for the full date-code key.
The Big Logo Gay Frères–stamped clasp is the period-correct fit on early 6238 production; the Small Logo Rolex-coronet clasp succeeds it from 1958 forward and is the more commonly seen clasp on a surviving 6238. Neither carries a date code in the modern sense. The inside-clasp quarterly stamp on Gay Frères clasps from the late 1950s through 1975 reads as &lt;Roman quarter&gt;.&lt;two-digit year&gt; (for example “III.62” for third quarter 1962). The single-letter year code system does not start until 1976. The clasp dates the bracelet, not the watch head; see [[Reference:Bracelets]] for the full date-code key.


The same OCR-error caveat from the 6239 writeup applies here: a “771” reading appears in some aggregator end-link tables, but every period photograph of a 6238 bracelet stamps 271. The right number is 271.
A "771" reading appears in some aggregator end-link tables; every period photograph of a 6238 bracelet stamps 271. The correct number is 271.


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<span id="special-branches"></span>
== Special branches ==
== Special branches ==


A handful of 6238 branches earn their own line in the literature.
George Lazenby's 6238 in ''On Her Majesty's Secret Service'' (1969) is the cinematic appearance most often cited; A Collected Man reproduces a still. The on-screen watch is visibly modified for the role, though the modifications are not enumerated in the source literature. No specific OHMSS-screen example has surfaced at auction with verified provenance, so the appearance counts as a cultural anchor rather than a separate variant.


The most-cited cinematic appearance is George Lazenby’s 6238 in ''On Her Majesty’s Secret Service'' (1969), a steel 6238 worn on screen by Lazenby’s Bond with a still reproduced in the A Collected Man piece. The on-screen watch is identifiably modified for the role, though the modification details are not enumerated in the source literature, and the OHMSS appearance reads as a documented cinematic record rather than a separate variant.
Yellow gold 6238s exist in two karat weights. The 18k examples, about 150 produced, and the 14k examples, about 225 produced, carry matching gold bracelets, gold pushers, gold crown, and gold bezel. Gold 6238s trade in a different market from the steel reference; the 14k version surfaces at auction more often than the 18k because of the US import-tax distribution pattern.


Yellow gold 6238s exist in two karat weights. The 18k examples (about 150 produced) and the 14k examples (about 225 produced) carry matching gold bracelets, gold pushers, gold crown, and gold bezel. The gold 6238 trades in a different market from the steel reference and is the cleanest path to a gold-Pre-Daytona acquisition; the 14k version turns up more often at auction than the 18k because of the US import-tax distribution pattern.
A 6238 surfaced through A Collected Man with its original retailer receipt showing CHF 780 as the Swiss-franc retail price. The figure puts the Rolex chronograph at entry-level position against the smaller-volume gold Pateks and Vacherons of the mid-1960s.


The CHF 780 receipt example is a documented period-pricing artifact. A 6238 surfaced through A Collected Man with its original retailer receipt showing the Swiss-franc retail price; CHF 780 in mid-1960s currency anchors the period market position of the reference and the relative entry-level pricing of a Rolex chronograph against the smaller-volume gold Pateks and Vacherons of the same era.
The 6234-to-6238 handoff matters for the lineage. The 6234 was the chronograph predecessor with the bare Valjoux 72 and a smaller Oyster case; the 6238 carries the chronograph forward onto the 36mm case shared with the 6239 and brings the cal 72B / cal 722 caliber-stamp progression. At no point in this sequence is the watch called a Daytona. Rolex applied the Cosmograph name only to the 6239 in 1963 and added the Daytona signature to the dial in 1964. The 6238 sat one cutover and one dial revision short of the name.
 
The 6234-to-6238 handoff is the other branch worth recording. The 6234 was the chronograph predecessor with the bare Valjoux 72 movement and a smaller Oyster case; the 6238 carries the chronograph identity forward onto the 36mm 6239-shared case and brings the cal 72B / cal 722 stamp progression. At no point in this sequence is the watch called a Daytona. Rolex applied the Cosmograph name only to the 6239 in 1963 and added the Daytona signature to the dial in 1964. The 6238 sat one cutover and one dial revision short of the name.


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Standard steel 6238s with clean dials trade in the upper five figures and into the low six figures depending on dial colour, condition, and originality. Black-dial examples carry a premium over silver; grey-dial examples sit above black. Gold 6238s in both karat weights trade meaningfully above any steel example, with the 18k market deeper than the 14k by a small but consistent margin in published results. The OHMSS-era cinematic record does not translate into a documented price branch the way the Newman provenance does for the 6239: the Lazenby still anchors the reference culturally, but no specific Lazenby-screen-worn 6238 has surfaced at auction with verified provenance.
Standard steel 6238s with clean dials trade in the upper five figures and into the low six figures depending on dial colour, condition, and originality. Black-dial examples carry a premium over silver; grey-dial examples sit above black. Gold 6238s in both karat weights trade meaningfully above any steel example, with the 18k market deeper than the 14k by a small but consistent margin in published results. The OHMSS-era cinematic record does not translate into a documented price branch the way the Newman provenance does for the 6239: the Lazenby still anchors the reference culturally, but no specific Lazenby-screen-worn 6238 has surfaced at auction with verified provenance.


The 6238 has its own quiet market and its own collector base. The Patek-leaning collector segment Bacs identifies in the same interview (“these are probably the most Patek-looking of all Rolex’s chronographs”) is the steadier driver of 6238 prices than any motorsport-provenance lift the [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made For Racing] essay by James Marks attaches to the 6239 and 6263 lines.
The 6238 has its own quiet market and its own collector base. Bacs, in the same A Collected Man interview, calls these "probably the most Patek-looking of all Rolex's chronographs"; that Patek-leaning segment drives the reference more than the motorsport provenance James Marks's [https://www.phillips.com/article/42015509/made-for-racing-rolex-and-the-daytona Made For Racing] essay for Phillips attaches to the 6239 and 6263 lines.


== Sources ==
== Sources ==
Retrieved from "https://rolexopedia.net/wiki/Reference:6238"