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{{DISPLAYTITLE:Rolex 5031 "Ovettone" Transitional Bubbleback}}
{{DISPLAYTITLE:Rolex Oyster Perpetual Date 5031}}
{{#seo:
{{#seo:
|title=Rolex 5031 "Ovettone" Transitional Bubbleback — Rolexopedia
|title=Rolex Oyster Perpetual Date 5031 — Rolexopedia
|description=The 5031 is the pink-gold twin of the ref 5030 — the one-year bridge between the 1945–1949 ref 4467 and the 1949 ref 6031. Same 36mm case, same A.295…
|description=Early date-equipped Oyster Perpetual catalogued in steel and gold. Auction records disagree on case size and movement details; no production span or single caliber is established.
|keywords=Rolex, 5031, Bubbleback, specifications, reference guide
|keywords=Rolex, 5031, Bubbleback, specifications, reference guide
|image=Ref 5031 hero.jpg
|image=Ref_5031_hero.webp
|image_alt=Rolex 5031 Bubbleback
|image_alt=Rolex Oyster Perpetual Date 5031
|type=Article
|type=Article
|og_type=article
|og_type=article
|published_time=2026-04-17T22:36:51Z
|published_time=2026-04-17T22:36:51Z
|modified_time=2026-08-04T00:12:37Z
|modified_time=2026-09-23T02:22:00Z
|robots=index,follow,max-image-preview:large
|robots=index,follow,max-image-preview:large
}}
}}
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<div class="rp-lead">
<div class="rp-lead">
[[File:Ref 5031 hero.jpg|thumb|center|640px|alt=Rolex 5031 "Ovettone" Transitional Bubbleback|Rolex 5031 "Ovettone" Transitional Bubbleback]]
[[File:Ref_5031_hero.webp|thumb|center|640px|alt=Rolex Oyster Perpetual Date 5031|Rolex Oyster Perpetual Date 5031]]
</div>
</div>


The 5031 is the pink-gold twin of the ref 5030, the one-year bridge between the 1945–1949 ref 4467 and the 1949 ref 6031. Same 36mm case, same A.295 automatic movement, same straight case flanks between the lugs, same small Brevet crown carried over from the 32mm Bubblebacks. The architectural difference is the metal, 18K pink or rose gold rather than yellow. Pink gold survivors from this production window are meaningfully scarcer than yellow, and a 5031 surfacing at auction is an event a 5030 is not.
The 5031 is a date-equipped Oyster Perpetual catalogued in steel and gold. Sale descriptions disagree on case size and movement details. Some date examples to circa 1948; others place them in the 1950s or 1960s. The records cited here do not establish a production span or a single caliber.


 
==Core facts==
<span id="core-facts"></span>
== Core facts ==


{| class="wikitable rp-facts"
{| class="wikitable rp-facts"
Line 30: Line 28:
! value
! value
|-
|-
| reference
| Reference
| 5031
| 5031
|-
|-
| family
| Family
| Datejust / Big Bubbleback / Ovettone
| Oyster Perpetual with date; grouped with early Datejust and Big Bubbleback watches in some catalogues
|-
| production
| about 1948 (one-year window)
|-
| case diameter
| 36mm (tonneau Oyster, Ovettone profile)
|-
| case construction
| three-piece, screw-down caseback and crown
|-
|-
| case materials
| Dating
| 18K pink/rose gold
| Catalogues date individual watches from the 1940s to the 1960s; no factory production span established
|-
|-
| bezel
| Case
| fine milled/reeded pink gold
| Tonneau-shaped Oyster case; auction dimensions include 34 mm and 36 mm
|-
|-
| crystal
| Documented materials
| acrylic, domed
| Stainless steel with pink gold; stainless steel with yellow gold; one Bonhams catalogue describes steel and chrome plate
|-
|-
| crown
| Bezel
| small screw-down Brevet (earliest style)
| Gold reeded or machine-finished bezel in documented steel-and-gold lots; finish varies by example
|-
|-
| movement
| Dial
| Cal. A.295 (listed as Cal. 740 / Cal. 745 in parts catalogues)
| Silver or silvered dials are documented; examples include applied indexes and luminous markers
|-
|-
| date complication
| Date
| yes — date at 3 o'clock, gradual creep at midnight
| Date aperture at 3 o'clock in the auction examples
|-
|-
| Cyclops
| Movement
| no (introduced on ref 6305 in 1954)
| Auction houses describe automatic movements, but the available records do not establish one caliber for the reference
|-
|-
| "Datejust" text on dial
| Case numbers
| no (first consistent appearance on ref 6105 in 1953)
| Published examples include 612627, 612848, 612967, 612990, 613514, 613853, and 613876; these are individual records, not a serial range
|-
|-
| yellow-gold twin
| Related reference
| [[Reference:5030|5030]]
| [[Reference:5030]], catalogued in solid gold
|-
| successor
| [[Reference:6031|6031]]
|}
|}


<span id="what-the-5031-is"></span>
==Place in the line==
== What the 5031 is ==


The 5031 is the pink-gold twin to the 5030: same 36mm Big Bubbleback Datejust architecture, same movement, same transitional place in the line, but in 18k pink gold.
The 5031 belongs to the early date-equipped Oyster Perpetual group that auction catalogues also call Datejust or Bubbleback. The name “Ovettone” appears in dealer and auction usage for some 36 mm watches, but collectors do not use it consistently. It is best treated as a period or collector label, not a formal Rolex model name.


Pink and rose gold dress watches were a European preference through the 1940s. Markets in France, Italy, Switzerland, and German-speaking Europe favoured pink for formal wear, and Rolex produced pink-gold twins of most Ovettone references to meet that demand. Survival rates on the pink variants run below yellow, because pink alloys of the period were softer and more prone to polishing-out at service.
The solid-gold 5030 is often paired with the 5031 in reference guides. Auction descriptions support a distinction in case construction: the 5030 is listed in solid gold, while several 5031 examples are listed in steel and gold. Both pink- and yellow-gold accents appear in catalogues. The available records do not establish that the two references shared a movement or every case component.


<span id="placing-the-5031-in-the-ovettone-sequence"></span>
==Production and dating==
== Placing the 5031 in the Ovettone sequence ==


The full Ovettone arc runs: 4467 (1945) → 5028 / 5030 / 5031 (1947–48) → 6030 / 6031 (1949) → 6074 / 6075 (1950) → 6105 (1953, first "Datejust" text) → 6305 (1954, first Cyclops) → 6604 / 6605 (1956–57, first instantaneous date via Cal. 1065). The 5031 sits on the transitional shelf with its yellow-gold twin; the closest direct successor is the 1949 ref 6031, another pink-gold Ovettone that reverts to the 4467's curvier case flanks after the straight-flank 5031 experiment.
Christie’s dates case 612848 to the 1940s. Antiquorum dates cases 612627 and 612967 to 1948, and Sotheby’s, Tennants and Bonhams also give circa-1948 dates for their examples. Antiquorum’s 1999 catalogue calls its example a 1950s watch; its 1995 catalogue says 1960s. These catalogue dates describe individual watches and do not agree on a production window. Keep those dates attached to the individual lots. The cited auction estimates do not establish when Rolex began or ended production.


Italian auction houses (Pandolfini, Aste Bolaffi) and mainstream dealer usage include the 5030/5031 pair in the Ovettone family, alongside Edmond Saran's 2022 Le Monde Edmond treatment that names the 5030 explicitly. The narrower dealer convention excludes the 50xx pair and reserves the term for 4467, 6031, 6074, and 6075. Both framings coexist in current literature.
Published case numbers include 612627, 612848, 612967, 612990, 613514, 613853, and 613876. They cluster closely, but sale records cannot establish a production range or total. Repeated appearances of the same case number should not be counted as separate watches.


<span id="the-36mm-big-bubbleback-case-the-straight-flank-experiment-in-pink-gold"></span>
==Movement==
== The 36mm Big Bubbleback case — the straight-flank experiment in pink gold ==


Case architecture on the 5031 is identical to the 5030 and follows the same two one-year deviations from the 4467 and 60xx standard: the perfectly straight flanks between the lugs, and the small Brevet crown carried over from the 32mm small Bubblebacks. Three-piece Oyster construction, 36mm diameter, domed caseback housing the Perpetual rotor, fine milled/reeded bezel. In pink gold the straight-flank profile reads slightly differently on the wrist than it does in yellow (the pink alloy's warmer tone softens the visual angularity) but dimensionally the case is the same.
The auction records call the 5031 automatic and give a date, but they do not agree on movement details. Christie’s records a self-winding chronometer movement numbered 37519, without giving a caliber. Antiquorum’s 2009 and 1999 lots each describe a 9¾-ligne, 19-jewel movement without naming a caliber. Its 1995 lot gives a 12½-ligne, 26-jewel movement, also without a caliber. Sotheby’s 2020 and 2022 listings say only “automatic.” Tennants records a movement number, G67646, but no caliber.


The crown on the 5031 is the small screw-down Brevet in matching pink gold, cross-center, "Rolex + Oyster" marking. By the 1949 60xx generation, Rolex had switched to a larger crown that sat more naturally on the 36mm case. The 5031 is the one pink-gold Big Bubbleback that still wears the old small crown; the 6031 that replaces it in 1949 wears the new one.
Colin A. White’s ''The Vintage Rolex Field Manual'' maps the 5031 to Cal. 710 in a reference table. The same manual and Rolexopedia’s movement guide describe Cal. 710 as hand-wound and without a date, which conflicts with the automatic, date-equipped watches in the sale catalogues. The caliber assignment remains unresolved. None of these auction catalogues names a caliber.


<span id="pink-gold-and-configuration"></span>
==Dial and date==
== Pink gold and configuration ==


The 5031 is pink-gold only. Period-correct dials match the case metal: silvered or eggshell dials with applied pink gold dagger markers, pink gold alpha hands with radium inserts on the lumed configurations, plain polished pink gold hands on dress configurations. Bubbleback-style coronet logos — often the "cut-off" truncated variant — and Chronometer or Certified Chronometer dial text above six on chronometer-grade examples are both documented.
The sale records show silver or silvered dials, but details vary. Antiquorum’s 1999 example has applied pink-gold triangular luminous indexes and pink-gold Alpha hands. Its 1995 example has applied steel indexes and steel Dauphine hands. Tennants describes dagger indexes and says its dial had been refinished. Bonhams records applied gilt dart markers on its steel-and-chrome-plated example. Sotheby’s 2022 listing documents a roulette date wheel. These are descriptions of individual watches, not a complete variant list.


Date wheels follow the broader Ovettone convention: typically black on white by the 5031 era, with roulette (alternating red/black) wheels documented on some peer examples in the same window. A 5031 with a roulette wheel is not impossible, but it is less common than on earlier 4467 examples.
The auction title “Datejust” does not establish that the dial itself bears that word. Check the dial inscription on each watch. The records cited here do not prove a universal rule for Datejust text, dial feet, luminous material, or date-change behavior.


No steel, two-tone, or yellow-gold 5031 configurations are documented. The pink-gold-only rule is strict for this reference.
==Case, bezel, and crown==


<span id="movement-cal.-a.295"></span>
Antiquorum describes a 36 mm pink-gold-and-steel example with a ribbed graduated bezel in 1999. Its 2009 steel-and-yellow-gold example is also 36 mm, with a three-body case and graduated bezel. The 1995 steel-and-yellow-gold example is 36 mm with a graduated reeded bezel; Meeting Art describes a smooth bezel on case 612967. Sotheby’s lists a pink-gold-and-steel watch at 34 mm in 2022. Tennants gives 36 mm for its steel-and-gold watch. The records do not explain the difference in reported case size.
== Movement: Cal. A.295 ==


Same as the 5030 mechanically: cal. A.295 in the 740/745 family, with center seconds, date, no shock protection, and the old slow date change rather than a later snap change.
The 1995, 1999 and 2009 Antiquorum lots describe screw-down crowns and casebacks. Christie’s and Meeting Art also describe screw-down crowns and backs. Bonhams describes them on its steel-and-chrome-plated example. Antiquorum calls the 1999 case two-body and the 2009 case three-body; the catalogues do not establish a single construction description for all 5031s. The sources reviewed do not establish a universal “small Brevet” crown for the 5031, so that label should be checked against the individual watch rather than treated as a defining specification.


Dial feet positions are specific to the A.295 and differ from the A.296 used in ref 6105 and later. A 5031 dial on an A.296 movement is not period-correct. The Vintage Rolex Forum documentation by specialist Xeramic (thread t-274914) is the standard reference on this check.
Bonhams catalogued case 612990 as stainless steel and chrome-plated. The same watch, identified by matching case and movement numbers, appeared twice in 2025: it passed at the first sale and sold at the later one. This is a documented catalogue description, not proof that Rolex made a chrome-plated 5031 variant.


<span id="authentication-priorities"></span>
==Bracelet and strap==
== Authentication priorities ==


* Movement. Cal. A.295, cross-listed as Cal. 740 or Cal. 745. A later caliber in a 5031 case is a service swap.
The cited examples do not establish a standard bracelet configuration. Meeting Art describes a riveted steel-and-yellow-gold Oyster bracelet, and Sotheby’s 2020 listing describes a steel and pink-gold plated Rolex bracelet. Sotheby’s 2022 example had a stainless-steel Rolex buckle. Bonhams and Tennants describe leather straps; Tennants says its strap and buckle were later replacements and not by Rolex. These listings document what accompanied those watches at sale, not original delivery fitments.
* Case metal. 18K pink/rose gold, consistent across case, crown, bezel, markers, hands, and bracelet (if present). A yellow-gold 5031 claim is a misidentification.
 
* Crown. Small Brevet, matching pink gold. The larger crown of the 6031 and subsequent Ovettones is not correct for the 5031.
==Auction record==
* Case flanks. Straight between the lugs; the 5030/5031 distinguishing feature.
 
* Bezel. Fine milled or reeded pink gold in the 4467 idiom.
The table is a selected record of catalogued examples, not a census. Dates and descriptions remain attached to each lot.
* Dial. "Oyster Perpetual" with Chronometer or Certified Chronometer designation above six on chronometer-grade examples. No "Datejust" text on a period-correct 5031 dial.
 
* Dial feet position. Specific to A.295.
<gallery mode="packed" heights="180">
File:Ref 5031 dial.webp|Dial detail, case 612990
File:Ref 5031 crown.webp|Case flank and crown, case 612990
File:Ref 5031 caseback.webp|Caseback, case 612990
</gallery>
 
{| class="wikitable"
|-
! Sale
! Example and catalogue details
! Result
|-
| Antiquorum, 14 November 2009, lot 285
| Case 612627; steel and yellow gold; 36 mm; off-white dial with luminous gold dart indexes; automatic movement described as 9¾ lignes and 19 jewels
| Estimate CHF 4,500–6,500; no result shown
|-
| Christie’s, lot 279
| Case 612848; steel and gold; 36 mm; matte white dial with alternating dagger and Arabic numerals; movement numbered 37519, no caliber given; catalogue says 1940s
| Result not shown
|-
| Meeting Art, 23 November 2014, lot 444
| Case 612967; steel and yellow gold; 36 mm; smooth bezel, silvered dial, red date and riveted Oyster bracelet; catalogue says 1948
| Starting estimate €3,000; no result shown
|-
| Antiquorum, 14 June 1995, lot 203
| Steel and yellow gold; 36 mm; silver dial with applied steel indexes; automatic movement described as 12½ lignes and 26 jewels; catalogue calls it “1960s”
| Estimate HKD 17,000–19,000; no result shown
|-
| Antiquorum, 1 December 1999, lot 191
| Steel and pink gold; 36 mm; pink-gold triangular luminous indexes and Alpha hands; automatic movement described as 9¾ lignes and 19 jewels; catalogue calls it “1950s”
| Sold USD 3,220
|-
| Sotheby’s, 2020, lot 154
| Steel and pink gold; case 613853; circa 1948; 36 mm; automatic; steel and pink-gold plated bracelet
| Estimate CHF 5,000–7,000; result not displayed
|-
| Sotheby’s, 14 December 2022, lot 379
| Steel and pink gold; case 613876; circa 1948; 34 mm; silvered dial with roulette date; automatic
| Estimate USD 3,000–5,000; result not displayed
|-
| Bonhams, 1 April 2025, lot 3068
| Case 612990; steel and chrome-plated, 36 mm; movement 37574, listed as Cal. G3171; silver dial
| Passed at estimate €3,000–5,000
|-
| Bonhams, 17 October 2025, lot 39
| Same case 612990 and movement 37574; same steel-and-chrome-plated description
| Sold €3,584 including premium
|-
| Tennants, 14 March 2026, lot 2164
| Steel and gold; case 613514; circa 1948; 36 mm; silvered dial with red date; movement numbered G67646; dial described as refinished
| Sold £3,000
|}


==Related references==


== Related references ==
* [[Reference:5030]] — solid-gold reference often paired with the 5031
* [[Reference:4467|4467]] — earlier Datejust reference
* [[Reference:6031|6031]]
* [[Reference:3595|3595]]
* [[Reference:2940|2940]]
* [[Reference:6075|6075]]


* [[Reference:5030|Bubbleback 5030]] — 1948
See also the [[Reference:bubbleback|Bubbleback family guide]], [[Reference:Movements|movement guide]], and [[Reference:Serial-numbers|serial-number guide]].
* [[Reference:4467|Bubbleback 4467]] — 1945–1949
* [[Reference:6031|Bubbleback 6031]] — 1949
* [[Reference:3595|Bubbleback 3595]] — 1941–1949
* [[Reference:2940|Bubbleback 2940]] — 1940–1949
* [[Reference:6075|Bubbleback 6075]] — 1950–1953


See also the [[Reference:bubbleback|Bubbleback family index]], [[Reference:Movements|movement reference]], [[Reference:Bracelets|bracelet & clasp guide]], and [[Reference:Serial-numbers|serial numbers by year]].
<gallery mode="packed" heights="180">
File:Ref 5031 hero.webp|Rolex ref. 5031
File:Ref 5031 dial.webp|Dial detail, case 612990
File:Ref 5031 crown.webp|Case flank and crown, case 612990
File:Ref 5031 caseback.webp|Caseback, case 612990
</gallery>


== Sources ==
== Sources ==
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
* [https://le-monde-edmond.com/datejust-a-closer-look-at-a-rolex-icon-2/ Le Monde Edmond — Datejust: A Closer Look at a Rolex Icon] — Le Monde Edmond
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-222-285 "Antiquorum Geneva, lot 285 — Rolex ref. 5031, case 612627", Antiquorum, 2009-11-14]
* [https://monochrome-watches.com/rolex-datejust-complete-history/ Monochrome Watches — The Evergreens: Complete History of the Rolex Datejust] — Monochrome
* [https://www.christies.com/en/lot/lot-204100 "Christie's, lot 279 — Rolex ref. 5031, case 612848", Christie's]
* [https://robbreport.com/style/watch-collector/lists/rolex-bubbleback-watches-collector-guide-1931-1950s-1235893131/ Robb Report — A Collector's Guide to Rolex Bubbleback Watches 1931-1950s] — Robb Report
* [https://www.arsvalue.com/it/lotti/114560/rolex-ref-5031rolex-oyster-perpetual-red-date-just-ref-5031-del "Meeting Art, lot 444 — Rolex ref. 5031, case 612967", Meeting Art via ArsValue, 2014-11-23]
* [https://www.pandolfini.it/ Pandolfini Casa d'Aste catalog usage — 'Ovetto' for 32mm Bubblebacks, 'Ovettone' for 36mm Big Bubblebacks] — Pandolfini Casa d'Aste, Pandolfini
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-120-203 "Antiquorum Hong Kong, lot 203 — Rolex ref. 5031", Antiquorum, 1995-06-14]
* [https://www.astebolaffi.it/ Aste Bolaffi catalog usage of 'Ovetto' for standard 32mm Bubblebacks] — Aste Bolaffi
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-53-191 "Antiquorum New York, lot 191 — Rolex ref. 5031", Antiquorum, 1999-12-01]
* [https://www.sothebys.com/en/buy/auction/2020/watches-weekly-geneva-17/rolex-bubbleback-oyster-perpetual-ref-5031 "Sotheby's Watches Weekly Geneva, lot 154 — Rolex ref. 5031, case 613853", Sotheby's, 2020]
* [https://www.sothebys.com/en/buy/auction/2022/fine-watches-8/reference-5031-oyster-perpetual-a-pink-gold-and "Sotheby's New York, Fine Watches, lot 379 — Rolex ref. 5031, case 613876", Sotheby's, 2022-12-14]
* [https://www.bonhams.com/auction/30734/lot/3068/rolex-a-stainless-steel-and-chrome-plated-automatic-calendar-wristwatch-rolex-montre-bracelet-en-acier-et-plaque-chrome-avec-date-mouvement-automatique-big-bubbleback-ref-5031-circa/ "Bonhams Cornette de Saint Cyr Paris, online sale, lot 3068 — Rolex "Big Bubbleback" Ref. 5031, passed", Bonhams, 2025-04-01]
* [https://www.bonhams.com/auction/30779/lot/39/rolex-a-stainless-steel-and-chrome-plated-automatic-calendar-wristwatch-rolex-montre-bracelet-en-acier-et-plaque-chrome-avec-date-mouvement-automatique-big-bubbleback-ref-5031-circa-1948/ "Bonhams Cornette de Saint Cyr Paris, lot 39 — Rolex "Big Bubbleback" Ref. 5031, sold EUR 3,584", Bonhams, 2025-10-17]
* [https://auctions.tennants.co.uk/auction/lot/lot-2164---rolex-a-steel-and-gold-automatic-calendar/?lot=2569007&sd=1 "Tennants, lot 2164 — Rolex ref. 5031, case 613514", Tennants Auctioneers, 2026-03-14]


[[Category:Bubbleback]]
[[Category:Bubbleback]]

Latest revision as of 08:10, 29 September 2026


Bubbleback › 5031

Rolex Oyster Perpetual Date 5031
Rolex Oyster Perpetual Date 5031

The 5031 is a date-equipped Oyster Perpetual catalogued in steel and gold. Sale descriptions disagree on case size and movement details. Some date examples to circa 1948; others place them in the 1950s or 1960s. The records cited here do not establish a production span or a single caliber.

Core facts

detail value
Reference 5031
Family Oyster Perpetual with date; grouped with early Datejust and Big Bubbleback watches in some catalogues
Dating Catalogues date individual watches from the 1940s to the 1960s; no factory production span established
Case Tonneau-shaped Oyster case; auction dimensions include 34 mm and 36 mm
Documented materials Stainless steel with pink gold; stainless steel with yellow gold; one Bonhams catalogue describes steel and chrome plate
Bezel Gold reeded or machine-finished bezel in documented steel-and-gold lots; finish varies by example
Dial Silver or silvered dials are documented; examples include applied indexes and luminous markers
Date Date aperture at 3 o'clock in the auction examples
Movement Auction houses describe automatic movements, but the available records do not establish one caliber for the reference
Case numbers Published examples include 612627, 612848, 612967, 612990, 613514, 613853, and 613876; these are individual records, not a serial range
Related reference Reference:5030, catalogued in solid gold

Place in the line

The 5031 belongs to the early date-equipped Oyster Perpetual group that auction catalogues also call Datejust or Bubbleback. The name “Ovettone” appears in dealer and auction usage for some 36 mm watches, but collectors do not use it consistently. It is best treated as a period or collector label, not a formal Rolex model name.

The solid-gold 5030 is often paired with the 5031 in reference guides. Auction descriptions support a distinction in case construction: the 5030 is listed in solid gold, while several 5031 examples are listed in steel and gold. Both pink- and yellow-gold accents appear in catalogues. The available records do not establish that the two references shared a movement or every case component.

Production and dating

Christie’s dates case 612848 to the 1940s. Antiquorum dates cases 612627 and 612967 to 1948, and Sotheby’s, Tennants and Bonhams also give circa-1948 dates for their examples. Antiquorum’s 1999 catalogue calls its example a 1950s watch; its 1995 catalogue says 1960s. These catalogue dates describe individual watches and do not agree on a production window. Keep those dates attached to the individual lots. The cited auction estimates do not establish when Rolex began or ended production.

Published case numbers include 612627, 612848, 612967, 612990, 613514, 613853, and 613876. They cluster closely, but sale records cannot establish a production range or total. Repeated appearances of the same case number should not be counted as separate watches.

Movement

The auction records call the 5031 automatic and give a date, but they do not agree on movement details. Christie’s records a self-winding chronometer movement numbered 37519, without giving a caliber. Antiquorum’s 2009 and 1999 lots each describe a 9¾-ligne, 19-jewel movement without naming a caliber. Its 1995 lot gives a 12½-ligne, 26-jewel movement, also without a caliber. Sotheby’s 2020 and 2022 listings say only “automatic.” Tennants records a movement number, G67646, but no caliber.

Colin A. White’s The Vintage Rolex Field Manual maps the 5031 to Cal. 710 in a reference table. The same manual and Rolexopedia’s movement guide describe Cal. 710 as hand-wound and without a date, which conflicts with the automatic, date-equipped watches in the sale catalogues. The caliber assignment remains unresolved. None of these auction catalogues names a caliber.

Dial and date

The sale records show silver or silvered dials, but details vary. Antiquorum’s 1999 example has applied pink-gold triangular luminous indexes and pink-gold Alpha hands. Its 1995 example has applied steel indexes and steel Dauphine hands. Tennants describes dagger indexes and says its dial had been refinished. Bonhams records applied gilt dart markers on its steel-and-chrome-plated example. Sotheby’s 2022 listing documents a roulette date wheel. These are descriptions of individual watches, not a complete variant list.

The auction title “Datejust” does not establish that the dial itself bears that word. Check the dial inscription on each watch. The records cited here do not prove a universal rule for Datejust text, dial feet, luminous material, or date-change behavior.

Case, bezel, and crown

Antiquorum describes a 36 mm pink-gold-and-steel example with a ribbed graduated bezel in 1999. Its 2009 steel-and-yellow-gold example is also 36 mm, with a three-body case and graduated bezel. The 1995 steel-and-yellow-gold example is 36 mm with a graduated reeded bezel; Meeting Art describes a smooth bezel on case 612967. Sotheby’s lists a pink-gold-and-steel watch at 34 mm in 2022. Tennants gives 36 mm for its steel-and-gold watch. The records do not explain the difference in reported case size.

The 1995, 1999 and 2009 Antiquorum lots describe screw-down crowns and casebacks. Christie’s and Meeting Art also describe screw-down crowns and backs. Bonhams describes them on its steel-and-chrome-plated example. Antiquorum calls the 1999 case two-body and the 2009 case three-body; the catalogues do not establish a single construction description for all 5031s. The sources reviewed do not establish a universal “small Brevet” crown for the 5031, so that label should be checked against the individual watch rather than treated as a defining specification.

Bonhams catalogued case 612990 as stainless steel and chrome-plated. The same watch, identified by matching case and movement numbers, appeared twice in 2025: it passed at the first sale and sold at the later one. This is a documented catalogue description, not proof that Rolex made a chrome-plated 5031 variant.

Bracelet and strap

The cited examples do not establish a standard bracelet configuration. Meeting Art describes a riveted steel-and-yellow-gold Oyster bracelet, and Sotheby’s 2020 listing describes a steel and pink-gold plated Rolex bracelet. Sotheby’s 2022 example had a stainless-steel Rolex buckle. Bonhams and Tennants describe leather straps; Tennants says its strap and buckle were later replacements and not by Rolex. These listings document what accompanied those watches at sale, not original delivery fitments.

Auction record

The table is a selected record of catalogued examples, not a census. Dates and descriptions remain attached to each lot.

  • Dial detail, case 612990
    Dial detail, case 612990
  • Case flank and crown, case 612990
    Case flank and crown, case 612990
  • Caseback, case 612990
    Caseback, case 612990
Sale Example and catalogue details Result
Antiquorum, 14 November 2009, lot 285 Case 612627; steel and yellow gold; 36 mm; off-white dial with luminous gold dart indexes; automatic movement described as 9¾ lignes and 19 jewels Estimate CHF 4,500–6,500; no result shown
Christie’s, lot 279 Case 612848; steel and gold; 36 mm; matte white dial with alternating dagger and Arabic numerals; movement numbered 37519, no caliber given; catalogue says 1940s Result not shown
Meeting Art, 23 November 2014, lot 444 Case 612967; steel and yellow gold; 36 mm; smooth bezel, silvered dial, red date and riveted Oyster bracelet; catalogue says 1948 Starting estimate €3,000; no result shown
Antiquorum, 14 June 1995, lot 203 Steel and yellow gold; 36 mm; silver dial with applied steel indexes; automatic movement described as 12½ lignes and 26 jewels; catalogue calls it “1960s” Estimate HKD 17,000–19,000; no result shown
Antiquorum, 1 December 1999, lot 191 Steel and pink gold; 36 mm; pink-gold triangular luminous indexes and Alpha hands; automatic movement described as 9¾ lignes and 19 jewels; catalogue calls it “1950s” Sold USD 3,220
Sotheby’s, 2020, lot 154 Steel and pink gold; case 613853; circa 1948; 36 mm; automatic; steel and pink-gold plated bracelet Estimate CHF 5,000–7,000; result not displayed
Sotheby’s, 14 December 2022, lot 379 Steel and pink gold; case 613876; circa 1948; 34 mm; silvered dial with roulette date; automatic Estimate USD 3,000–5,000; result not displayed
Bonhams, 1 April 2025, lot 3068 Case 612990; steel and chrome-plated, 36 mm; movement 37574, listed as Cal. G3171; silver dial Passed at estimate €3,000–5,000
Bonhams, 17 October 2025, lot 39 Same case 612990 and movement 37574; same steel-and-chrome-plated description Sold €3,584 including premium
Tennants, 14 March 2026, lot 2164 Steel and gold; case 613514; circa 1948; 36 mm; silvered dial with red date; movement numbered G67646; dial described as refinished Sold £3,000

Related references

See also the Bubbleback family guide, movement guide, and serial-number guide.

  • Rolex ref. 5031
    Rolex ref. 5031
  • Dial detail, case 612990
    Dial detail, case 612990
  • Case flank and crown, case 612990
    Case flank and crown, case 612990
  • Caseback, case 612990
    Caseback, case 612990

Sources

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