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Reference:3009: Difference between revisions

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Hero: replace portrait Antiquorum HK 2019 crop with genuine landscape Christie's Swiss Icons 2018 lot-174 catalogue photo (18K pink gold, same reference); note Antiquorum HK 2019/case 39218 provenance on the existing enamel-dial gallery crop so it isn't lost from the lead caption.
Add 2026 Sotheby’s record and tighten evidence and prose
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The best-known ref. 3009 has a white vitreous-enamel dial divided into hour, minute and
The most distinctive 3009 dial is white vitreous enamel, with separate hour and minute tracks, an outer fifths-of-a-second scale and a red centre-seconds hand. Auction records also show champagne, silvered, 24-hour, California and silvered sector dials; one Observatory example has subsidiary seconds.
fifths-of-a-second tracks, with a red centre seconds hand. The same case reference also appears
with champagne, silvered, 24-hour and California layouts, including one subsidiary-seconds watch.


Most auction descriptions identify manual movements. Sotheby's has used a “Bubbleback Flatback”
Most auction descriptions identify manual movements. Sotheby's has used a “Bubbleback Flatback”
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==Where it sits in the line==
==Where it sits in the line==


Early Oyster case references could carry several marketed names. Antiquorum notes that ref. 3116
Antiquorum records several names on ref. 3116, including Royal, Viceroy and Imperial, as well as chronometer-labelled Imperial and Observatory variants.
appeared as Royal, Viceroy and Imperial, plus chronometer-labelled Imperial and Observatory variants.


Ref. 3009 follows the same pattern. Auction catalogues use Chronometre Scientific, Oyster Royal,
Ref. 3009 follows the same pattern. Auction catalogues use Chronometre Scientific, Oyster Royal,
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==Production outline==
==Production outline==


Dating this reference honestly means admitting how little is fixed. Auction houses have assigned examples to circa 1930, circa 1935, circa 1937 and circa 1944, and those estimates do not reconcile against case numbers. The one hard anchor in the whole documented record is the Glasgow import mark for 1937 on case 37845, sold through Bonhams. British assay and import marks carry a compulsory date letter, which makes them the reliable dating instrument for pre-1948 Rolex in a way that catalogue estimates are not.
Auction catalogues date individual 3009s from circa 1930 to circa 1944, but those estimates do not form a consistent case-number sequence. Bonhams records a Glasgow import mark for 1937 on case 37845. That dates its assay or import, not the watch’s manufacture. A separate 1947 presentation inscription documents the date of the presentation; Antiquorum’s circa-1959 estimate for that watch remains unresolved.


The observed case numbers include 12818, 37791, 37840, 37845, 39218, 39250, 39251, 46704,
The observed case numbers include 12818, 37791, 37840, 37845, 39218, 39250, 39251, 46704,
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==Movement notes==
==Movement notes==
[[File:Ref 3009 movement.webp|thumb|right|280px|alt=Movement of a Rolex 3009 with bridges engraved Timed 6 Positions, 18 Rubies and Patented Superbalance|The 10½-ligne calibre in a 14K case, bridges engraved TIMED 6 POSITIONS and 18 RUBIES over the Patented Superbalance.]]


The 3009 catalogues say 10½ lignes but do not show a Cal. 700 marking. Boettcher identifies the
The 3009 catalogues say 10½ lignes but do not show a Cal. 700 marking. Boettcher identifies the
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3009, but neither is a direct caliber identification of a 3009 movement.
3009, but neither is a direct caliber identification of a 3009 movement.


That base was not exclusive to Rolex. Aegler supplied it to Gruen as the calibres 825, 826 and 827, and Boettcher documents a Gruen 826 with indirect centre seconds. The same architecture and the same centre-seconds option sold under a different name on another continent.
That base was not exclusive to Rolex. Aegler supplied it to Gruen as the calibres 825, 826 and 827, and Boettcher documents a Gruen 826 with indirect centre seconds. Aegler also supplied this movement family to Gruen as calibres 825, 826 and 827; Boettcher documents a Gruen 826 with indirect centre seconds.


Catalogues record both 17- and 18-jewel movements, with varying adjustment language. No source
Catalogues record both 17- and 18-jewel movements, with varying adjustment language. No source
explains the split, and the records do not map cleanly onto Boettcher's general grade hierarchy.
explains the split, and the records do not map cleanly onto Boettcher's general grade hierarchy.
Bridge wording such as “Timed 6 Positions” documents one movement's finish; it says nothing about a production date.
Bridge wording such as “Timed 6 Positions” documents one movement’s marking; it does not date the watch.
 
[[File:Ref 3009 movement.webp|thumb|right|280px|alt=Movement of a Rolex 3009 with bridges engraved Timed 6 Positions, 18 Rubies and Patented Superbalance|The 10½-ligne calibre in a 14K case, bridges engraved TIMED 6 POSITIONS and 18 RUBIES over the Patented Superbalance.]]
 


What those gradings bought was labour. Adjusting for poise and isochronism meant measuring a rate against a regulator over hours, and Boettcher records that in the 1920s and 1930s a minimum of four hours was needed to reveal a small difference, with observatory-standard adjustment running to weeks. The premium on a chronometer-grade movement of this era was mostly the cost of someone's time.


===Indirect centre seconds===
===Indirect centre seconds===
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3009 configurations; the subsidiary-seconds Observatory watch uses a different arrangement.
3009 configurations; the subsidiary-seconds Observatory watch uses a different arrangement.


Because the seconds pinion sits outside the power flow, it flutters. Backlash lets it kick back and forth with every impulse from the third wheel. The fix is a friction spring that damps the movement, and the fix has a cost. Jack Forster, writing in Hodinkee, puts it most sharply: the tension spring "adds a frictional load to the gear train and if it's not adjusted exactly correctly, you get reduced balance amplitude and therefore, a loss in precision, which is ironic since a center seconds is supposed to be an aid to reading off the seconds more precisely in the first place."
The indirect seconds pinion can flutter because it sits outside the main gear train. A friction spring damps that motion; Jack Forster notes that poor adjustment can add load and reduce balance amplitude.


==Dial map==
==Dial map==
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Six distinct dial configurations appear on the 3009 in the documented record.
Seven dial configurations appear in the auction and photographed record reviewed here.


The white enamel Scientific dial is the reference's signature and the reason it is collected. Antiquorum's Hong Kong catalogue gives the clearest description: "white enamel dial with inner Arabic numerals, tracks for hours and separate minutes, outer track calibrated for 5ths of a second, blued steel hour and minute hands, red central seconds hand." Auction houses consistently describe the dial as two-piece. A dealer account claiming the inner disc is fixed to the movement is unsupported elsewhere and contradicted by other descriptions, so the two-piece construction is documented while its mounting is not.
The white enamel Scientific dial is the most recognizable configuration. Antiquorum’s 2019 Hong Kong catalogue describes inner Arabic numerals, separate hour and minute tracks, and an outer scale marked in fifths of a second. Several catalogues call the dial two-piece. The available descriptions do not establish how its inner disc is mounted.


The remaining five are conventional by comparison: a champagne dial catalogued as Oyster Royal and Observatory, a restored two-tone silvered centre-seconds dial, a 24-hour dial with the 13 to 24 numerals printed in red inside the luminous Arabic hours, a copper-coloured California dial with painted luminous Arabic and Roman numerals and baton indexes, and a silvered baton dial in pink gold. The California example is the outlier of the group, and a single lot does not establish it as a production configuration.
Other catalogued examples include champagne Oyster Royal/Observatory, restored two-tone silvered centre-seconds, 24-hour, copper-coloured California, silvered baton and silvered sector dials. The California layout is supported by one lot; the records do not establish a factory dial list.
 
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===How the enamel dial is made===
===How the enamel dial is made===
[[File:Ref 3009 enamel lettering.webp|thumb|right|280px|alt=Macro of a Rolex 3009 enamel dial showing worn CHRONOMETRE and SCIENTIFIC lettering and hairline cracks|Paint loss in the model wording and hairline cracks through the enamel on the Christie's example]]


The dials are vitreous enamel, easily mistaken for porcelain at a glance. Boettcher describes powdered glass fired onto
The dials are vitreous enamel, easily mistaken for porcelain at a glance. Boettcher describes powdered glass fired onto
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records paint loss on “chronometre” and “scientific,” and Lacy Scott & Knight records red loss
records paint loss on “chronometre” and “scientific,” and Lacy Scott & Knight records red loss
from a seconds hand.
from a seconds hand.
[[File:Ref 3009 enamel lettering.webp|thumb|right|280px|alt=Macro of a Rolex 3009 enamel dial showing worn CHRONOMETRE and SCIENTIFIC lettering and hairline cracks|Paint loss in the model wording and hairline cracks through the enamel on the Christie's example]]


==Case, bezel, crystal, and crown==
==Case, bezel, crystal, and crown==
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Catalogued diameters range from 30 to 33mm and most are 31mm. The records do not establish whether
Catalogued diameters range from 30 to 33mm and most are 31mm. The records do not establish whether
the spread comes from measurement method or a larger case variant.
the spread comes from measurement method or a larger case variant.
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==Bracelets, end links, and clasps==
==Bracelets, end links, and clasps==
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bracelet. Other examples appear on leather straps.
bracelet. Other examples appear on leather straps.


One example retains something better than a bracelet. The 18ct gold indirect-centre-seconds watch sold at Dreweatts, case 37791, came with its original Manchester retailer's presentation box.
Dreweatts records the 18ct gold indirect-centre-seconds watch, case 37791, with a Manchester retailer’s presentation box.


==Retailer and provenance branches==
==Retailer and provenance branches==
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==Auction record==
==Auction record==


Fourteen sourced auction appearances across seven houses.
Fifteen sourced auction appearances across seven houses.


{| class="wikitable"
{| class="wikitable"
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| 39250
| 39250
| GBP 4,000
| GBP 4,000
|}
|-
| Sotheby’s, Fine Watches
| 17 Jun 2026
| 18K pink gold, silvered sector, 18 jewels, titled “Bubbleback Flatback”
| 278072
| result not published


Lacy Scott & Knight sold the two consecutive-numbered 9ct enamel examples for GBP 5,200 and
Lacy Scott & Knight sold the consecutive-numbered 9ct enamel examples, cases 39251 and 39250, for GBP 5,200 and GBP 4,000. The auction sample mixes metals and dial condition, so it does not isolate an enamel-dial premium.
GBP 4,000. The broader record mixes case metals, dial conditions and currencies, so it does not
isolate an enamel-dial premium reliably.


Two Lacy Scott & Knight entries describe an “automatic 18-jewel movement,” using the same
Two Lacy Scott & Knight entries describe an “automatic 18-jewel movement,” using the same
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* [[Reference:2784|Oyster Junior Sport 2784]] — manual-wind Oyster of the same era
* [[Reference:2784|Oyster Junior Sport 2784]] — manual-wind Oyster of the same era
* [[Reference:3003|Oyster Precision 3003]]
* [[Reference:3003|Oyster Precision 3003]]
* [[Reference:6541|Milgauss 6541]] — the later anti-magnetic answer to the same professional market
 


See also the [[Reference:bubbleback|early Oyster and Bubbleback index]], [[Reference:Movements|movement reference]], [[Reference:Bracelets|bracelet & clasp guide]], and [[Reference:Serial-numbers|serial numbers by year]].
See also the [[Reference:bubbleback|early Oyster and Bubbleback index]], [[Reference:Movements|movement reference]], [[Reference:Bracelets|bracelet & clasp guide]], and [[Reference:Serial-numbers|serial numbers by year]].
== Image gallery ==
<gallery mode="packed" heights="180">
File:Ref 3009 hero.webp|Rolex Oyster Chronometre Scientific 3009 in 18K pink gold
File:Ref 3009 enamel dial.webp|White enamel Scientific dial, case 39218
File:Ref 3009 centre seconds dial.webp|Silvered centre-seconds dial
File:Ref 3009 24-hour dial.webp|24-hour dial, case 46704
File:Ref 3009 Observatory dial.webp|Oyster Royal Observatory dial, case 37840
File:Ref 3009 California dial.webp|California dial, case 12818
File:Ref 3009 enamel lettering.webp|Paint loss and hairline cracks in enamel dial
File:Ref 3009 movement.webp|Movement bridge markings
File:Ref 3009 caseback marks.webp|14K caseback and sponsor mark
File:Ref 3009 caseback 18k.webp|18K caseback fineness mark
File:Ref 3009 pink gold.webp|18K pink-gold case
File:Ref 3009 Glasgow 1937.webp|Case 37845 with Glasgow 1937 import mark
</gallery>


== Sources ==
== Sources ==
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