Rolexopedia

Reference:6234: Difference between revisions

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Deep correctness and anti-slop audit: qualify 6234 chronology and production estimates, remove market leakage, fix image layout and add footer gallery
 
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{{#seo:
|title=Rolex 6234 Chronograph — Pre-Daytona, 1955–1961 | Rolexopedia
|title=Rolex 6234 Chronograph — Pre-Daytona, 1955–1961 | Rolexopedia
|description=The Rolex 6234 Oyster Chronograph "Anti-Magnetique" — produced 1955 to 1961 in roughly 2,300 steel pieces and 144 in two karat weights of yellow gold, with a 36mm screw-down Oyster case, Valjoux 72 hand-wound movement, and a smooth bezel that pushes the tachymetre and telemeter scales onto the dial. The chronograph that sits between the 6034 monobloc-case predecessor and the 6238 that ports the chronograph identity onto the Daytona-shared 36mm Oyster case.
|description=The Rolex 6234 is a 36mm Oyster chronograph generally dated 1955–1961, with pump pushers, a smooth bezel, printed tachymeter and telemeter scales, and a Valjoux 72-family hand-wound movement. It follows the 6034 and precedes the 6238.
|keywords=Rolex, 6234, Pre-Daytona, Daytona, Oyster Chronograph, Anti-Magnetique, Valjoux 72, vintage chronograph, reference guide
|keywords=Rolex, 6234, Pre-Daytona, Daytona, Oyster Chronograph, Anti-Magnetique, Valjoux 72, vintage chronograph, reference guide
|image=Ref 6234 hero.webp
|image=Ref 6234 generations.webp
|image_alt=hero
|image_alt=hero
|type=Article
|type=Article
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The 6234 predates the Cosmograph 6239. Sources generally place the Cosmograph designation with the 6239 in 1963 and the Daytona dial signature later; the 6234 itself has neither name.
The 6234 predates the Cosmograph 6239. Sources generally place the Cosmograph designation with the 6239 in 1963 and the Daytona dial signature later; the 6234 itself has neither name.


Auction catalogues describe black-dial 6234 examples as infrequently offered. The surviving auction sample is small, so the article records the individual lots rather than ranking the 6234 against every other pre-Daytona reference.
The surviving auction sample is small, so the article records the individual lots rather than comparing the 6234 with every other pre-Daytona reference.


==Production outline==
==Production outline==
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==Movement notes==
==Movement notes==
The movement is a Valjoux 72-family, hand-wound, column-wheel chronograph with three registers. Auction and reference literature use Cal. 72, 72A, and 72B descriptions; late 6234 and early 6238 transitions are a catalogue and movement-marking question.
The cited Valjoux 72 descriptions use an 18,000-vph frequency and manual winding. Jewel counts and ancillary features should be checked against the individual movement.
[[File:Ref 6234 detail.webp|thumb|right|260px|Steel 6234 close-up (Revolution / Tom Ng, 2017)|alt=Steel 6234 close-up (Revolution / Tom Ng, 2017)]]
[[File:Ref 6234 detail.webp|thumb|right|260px|Steel 6234 close-up (Revolution / Tom Ng, 2017)|alt=Steel 6234 close-up (Revolution / Tom Ng, 2017)]]


The movement is a Valjoux 72-family, hand-wound, column-wheel chronograph with three registers. Auction and reference literature use Cal. 72, 72A, and 72B descriptions; late 6234 and early 6238 transitions are a catalogue and movement-marking question.
 
The cited Valjoux 72 descriptions use an 18,000-vph frequency and manual winding. Jewel counts and ancillary features should be checked against the individual movement. A historical retail price is omitted here because it does not identify the reference’s construction or variant.


==Dial map==
==Dial map==
<gallery mode="packed" heights="180">
File:Ref 6234 multi-colour-dial.webp|Multi-coloured 6234 dial — courtesy Teddy Dewitte (A Collected Man / Sheldrake 2020)
File:Ref 6234 silvered-dial.webp|alt=Reference 6234 silvered dial|Standard silvered-dial 6234, circa 1959, on its original rivet Oyster bracelet. Sotheby's Daytona Capsule Collection 2019, lot 11.
File:Ref 6234 tropical-gilt.webp|alt=Reference 6234 tropical gilt dial|Black-lacquered gilt 6234 with applied dagger indices, case 688717 (1961), aged tropical to a rich chocolate brown. Sotheby's Olmsted Complications Collection 2025, lot 65.
File:Ref 6234 sub-dial-layouts.webp|Large versus small sub-dial configurations on the 6234 (A Collected Man / Sheldrake 2020)
</gallery>
The documented dial differences include colour, scale layout, sub-dial size, and lume treatment. The surviving sample is too small for a complete factory taxonomy.
The documented dial differences include colour, scale layout, sub-dial size, and lume treatment. The surviving sample is too small for a complete factory taxonomy.


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The cited 6234 auction lots do not show Tiffany or Serpico y Laino signatures. That absence does not establish that no retailer-signed 6234 exists.
The cited 6234 auction lots do not show Tiffany or Serpico y Laino signatures. That absence does not establish that no retailer-signed 6234 exists.
<gallery mode="packed" heights="180">
File:Ref 6234 multi-colour-dial.webp|Multi-coloured 6234 dial — courtesy Teddy Dewitte (A Collected Man / Sheldrake 2020)
File:Ref 6234 silvered-dial.webp|alt=Reference 6234 silvered dial|Standard silvered-dial 6234, circa 1959, on its original rivet Oyster bracelet. Sotheby's Daytona Capsule Collection 2019, lot 11.
File:Ref 6234 tropical-gilt.webp|alt=Reference 6234 tropical gilt dial|Black-lacquered gilt 6234 with applied dagger indices, case 688717 (1961), aged tropical to a rich chocolate brown. Sotheby's Olmsted Complications Collection 2025, lot 65.
File:Ref 6234 sub-dial-layouts.webp|Large versus small sub-dial configurations on the 6234 (A Collected Man / Sheldrake 2020)
</gallery>


==Case, bezel, crystal, and crown==
==Case, bezel, crystal, and crown==
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==Special branches==
==Special branches==


The published estimates identify about 108 14K and 36 18K gold examples. Gold cases are described with matching gold components in the cited literature, but market routing and bracelet originality need lot-level evidence. Piccinini illustrates a gold example; no general price ranking is inferred here.
The published estimates identify about 108 14K and 36 18K gold examples. Gold cases are described with matching gold components in the cited literature, but market routing and bracelet originality need lot-level evidence. Piccinini illustrates a gold example.


Some records associate miles scales and ROW markings with US-market examples. The sample does not prove a single supplier-routing rule or a factory variant program.
Some records associate miles scales and ROW markings with US-market examples. The sample does not prove a single supplier-routing rule or a factory variant program.
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==Historical market and auction record==
==Historical market and auction record==
The cited auction record includes Phillips, Sotheby’s, Antiquorum, and other houses. The lots below are examples, not a complete market census.


[[File:Ref 6234 black-glossy.webp|thumb|right|260px|alt=Reference 6234 black glossy dial|Reference 6234 with black glossy dial, case 1262289, sold for CHF403,200 at Phillips Geneva XV, 7 May 2022, lot 192.]]
[[File:Ref 6234 black-glossy.webp|thumb|right|260px|alt=Reference 6234 black glossy dial|Reference 6234 with black glossy dial, case 1262289, sold for CHF403,200 at Phillips Geneva XV, 7 May 2022, lot 192.]]


The cited auction record includes Phillips, Sotheby’s, Antiquorum, and other houses. The lots below are examples, not a complete market census.
 


{| class="wikitable"
{| class="wikitable"
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The 6234 is the last of the [[Reference:pre-daytona-chronographs|pre-Daytona chronograph]] line before the 6238 hands the round-Oyster layout to the 6239 and the Cosmograph Daytona name in 1963.
The 6234 is the last of the [[Reference:pre-daytona-chronographs|pre-Daytona chronograph]] line before the 6238 hands the round-Oyster layout to the 6239 and the Cosmograph Daytona name in 1963.
<gallery mode="packed" heights="180">
File:Ref 6234 generations.webp|6234 dial-generation comparison
File:Ref 6234 detail.webp|Steel 6234 close-up
File:Ref 6234 multi-colour-dial.webp|Multi-coloured 6234 dial
File:Ref 6234 silvered-dial.webp|Silvered 6234 dial on rivet Oyster bracelet
File:Ref 6234 tropical-gilt.webp|Tropical gilt 6234 dial
File:Ref 6234 sub-dial-layouts.webp|Large and small 6234 sub-dial layouts
File:Ref 6234 japanese-no-lume.webp|Japanese-market no-lume dial
File:Ref 6234 black-glossy.webp|Black glossy 6234 dial
</gallery>


== Sources ==
== Sources ==
* [https://www.sothebys.com/en/buy/auction/2023/fine-watches-8/pre-daytona-reference-6234-montre Sotheby's, Pre-Daytona reference 6234, circa 1957]


* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic Russell Sheldrake, "Is the Rolex Pre-Daytona a Forgotten Classic?", A Collected Man, 2020-08]
* [https://www.acollectedman.com/blogs/journal/rolex-pre-daytona-forgotten-classic Russell Sheldrake, "Is the Rolex Pre-Daytona a Forgotten Classic?", A Collected Man, 2020-08]
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