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{{DISPLAYTITLE:Rolex Oyster Perpetual Date 5031}}
{{#seo:
{{#seo:
|title=Rolex Oyster Perpetual "Ovettone" 5031 (Transitional Big Bubbleback, Pink Gold) — BezelBase
|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
|type=article
|image=Ref_5031_hero.webp
|image_alt=Rolex Oyster Perpetual Date 5031
|type=Article
|og_type=article
|published_time=2026-04-17T22:36:51Z
|modified_time=2026-09-23T02:22:00Z
|robots=index,follow,max-image-preview:large
}}
}}


<small>[[Reference:bubbleback|Bubbleback]] › '''5031'''</small>


<small>[[Reference:bubbleback|Bubbleback]] → '''5031'''</small>
<div class="rp-lead">
[[File:Ref_5031_hero.webp|thumb|center|640px|alt=Rolex Oyster Perpetual Date 5031|Rolex Oyster Perpetual Date 5031]]
</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 only architectural difference from the 5030 is the metal: 18K pink/rose gold rather than yellow. In practical terms that difference matters because pink gold survivors from this production window are meaningfully scarcer than yellow, and a 5031 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.


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


{| class="wikitable"
{| class="wikitable rp-facts"
|-
|-
! detail
! detail
! 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
| approximately 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
| [[Reference:5030]], catalogued in solid gold
|-
| successor
| [[Reference:6031
|}
|}


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


The 5031 is a 36mm Big Bubbleback Datejust in 18K pink gold, made for approximately one year in 1948. It shares everything structural with the yellow-gold 5030 — case shape, movement, bezel, crystal, crown style, dial architecture. The difference is the case metal and, by extension, matching hands and markers in pink gold. Within the Ovettone sequence the 5031 occupies the same position as the 5030: directly after the 4467, directly before the 60xx references, outside the narrow “true Ovettone” cluster that Le Monde Edmond restricts to 4467/6031/6074/6075, firmly inside the broader Italian auction and dealer usage.
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 pink gold production bias of the 5031 reflects the era. Pink and rose gold dress watches were a European preference through the 1940s — markets in France, Italy, Switzerland, and German-speaking Europe favored pink gold for formal wear — and Rolex produced pink-gold twins of most Ovettone references to serve that demand. The survival rate of those pink-gold examples is lower than yellow-gold, 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.


The “true Ovettone” reading documented by Le Monde Edmond excludes both 5030 and 5031. Italian auction houses (Pandolfini, Aste Bolaffi) and mainstream dealer usage include them in the Big Bubbleback Ovettone family. Both framings coexist in the current literature; neither is wrong.
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: Cal. A.295, the automatic movement that powered the 4467 from 1945 and carries through the 50xx transitional pair into the 6030/6031 of 1949. 29.5mm diameter (the “295”). Rolex parts catalogues cross-list the movement within the 740 / 745 family — Cal. 740 for the base grade, Cal. 745 for the Chronometer grade. Self-winding Perpetual rotor, 18 jewels, Rolex Superbalance, Breguet overcoil hairspring, center seconds, date. No shock protection. No quickset. Slow creep at midnight rather than instantaneous snap-change; the snap-change arrives with Cal. 1065 in 1956–57 and ends the Bubbleback silhouette.
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
|}


<span id="still-open"></span>
==Related references==
== Still open ==


Total production. Not published by Rolex. Pink gold 5031 examples surface less frequently than yellow gold 5030s; the ratio is consistent with the broader yellow-to-pink survival pattern across Ovettone references but no confident count exists.
* [[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]]


“Datejust” text transition. As with the 5030, some dealer sources claim the word first appears partway through 50xx production. The conservative consensus — Le Monde Edmond and auction catalogues — places the first consistent “Datejust” text on ref 6105 in 1953. A 5031 dial with “Datejust” text needs case-by-case authentication.
See also the [[Reference:bubbleback|Bubbleback family guide]], [[Reference:Movements|movement guide]], and [[Reference:Serial-numbers|serial-number guide]].


Scholarly status. Excluded from the narrow “true Ovettone” cluster by Le Monde Edmond; included in the broader Ovettone family by Italian auction usage and mainstream dealer copy.
<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, Chevalier Edition — unknown, 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]]
[[Category:Drafted]]
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