Reference:5031 - Revision history

Klaudiusz: Deep structure and prose audit: tighten auction limitation and canonicalize headings

2026-09-29T08:10:17Z

Deep structure and prose audit: tighten auction limitation and canonicalize headings

← Older revision		Revision as of 08:10, 29 September 2026
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	==Production and dating==		==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 auction estimates do not ~~show~~ when Rolex began or ended production.		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.		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.
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	==Auction record==		==Auction record==

	~~This~~ is a selected record of catalogued examples, not a census. ~~Sale-house~~ descriptions ~~and dates~~ remain ~~attributed~~ to each lot.		The table is a selected record of catalogued examples, not a census. Dates and descriptions remain attached to each lot.

	<gallery mode="packed" heights="180">		<gallery mode="packed" heights="180">
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	== Sources ==		== Sources ==

	* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra		* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra
	* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-222-285 "Antiquorum Geneva, lot 285 — Rolex ref. 5031, case 612627", Antiquorum, 2009-11-14]		* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-222-285 "Antiquorum Geneva, lot 285 — Rolex ref. 5031, case 612627", Antiquorum, 2009-11-14]

Klaudiusz: Layout and metadata audit: remove Gallery headings and fix hero image metadata

2026-09-29T06:14:46Z

Layout and metadata audit: remove Gallery headings and fix hero image metadata

← Older revision		Revision as of 06:14, 29 September 2026
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	\|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.		\|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 Oyster Perpetual Date 5031		\|image_alt=Rolex Oyster Perpetual Date 5031
	\|type=Article		\|type=Article
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	See also the [[Reference:bubbleback\|Bubbleback family guide]], [[Reference:Movements\|movement guide]], and [[Reference:Serial-numbers\|serial-number guide]].		See also the [[Reference:bubbleback\|Bubbleback family guide]], [[Reference:Movements\|movement guide]], and [[Reference:Serial-numbers\|serial-number guide]].

	~~==Gallery==~~

	<gallery mode="packed" heights="180">		<gallery mode="packed" heights="180">

Admin: Add further auction evidence and populate Sources

2026-09-23T02:22:59Z

Add further auction evidence and populate Sources

Show changes

Admin: Deep audit: correct specifications against catalogued examples

2026-09-23T02:15:58Z

Deep audit: correct specifications against catalogued examples

Show changes

Admin: Add auction-lot dial, caseback and crown photos (Bonhams lot 39, case 612990)

2026-09-14T16:05:57Z

Add auction-lot dial, caseback and crown photos (Bonhams lot 39, case 612990)

← Older revision		Revision as of 16:05, 14 September 2026
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	<span id="auction-record"></span>		<span id="auction-record"></span>
	== Auction record ==		== Auction record ==
			[[File:Ref 5031 dial.webp\|thumb\|right\|250px\|alt=Rolex 5031 dial, case No.612990, Bonhams Cornette de Saint Cyr\|Dial detail, case No.612990]]
			[[File:Ref 5031 crown.webp\|thumb\|right\|250px\|alt=Rolex 5031 case flank and crown, case No.612990, Bonhams Cornette de Saint Cyr\|Case flank and crown, showing the chrome-plated finish]]
			[[File:Ref 5031 caseback.webp\|thumb\|right\|250px\|alt=Rolex 5031 caseback, case No.612990, Bonhams Cornette de Saint Cyr\|Caseback, case No.612990]]

	One 5031 example is documented at auction with full case-level detail, and it complicates the steel-and-gold-only reading above. Bonhams' Cornette de Saint Cyr saleroom in Paris offered the same physical watch twice in 2025: case no. 612990, movement no. 37574, Cal. G3171 automatic, silvered dial with applied gilt dart hour markers and a date aperture at 3, on a brown alligator strap. The house catalogues the case and bezel as ''stainless steel and chrome-plated'' — not the steel-and-18K-gold Rolesor construction the rest of this article documents. The watch passed unsold at an estimate of €3,000–5,000 in an online sale closing 1 April 2025, then sold for €3,584 including premium at the same house six months later, on 17 October 2025.		One 5031 example is documented at auction with full case-level detail, and it complicates the steel-and-gold-only reading above. Bonhams' Cornette de Saint Cyr saleroom in Paris offered the same physical watch twice in 2025: case no. 612990, movement no. 37574, Cal. G3171 automatic, silvered dial with applied gilt dart hour markers and a date aperture at 3, on a brown alligator strap. The house catalogues the case and bezel as ''stainless steel and chrome-plated'' — not the steel-and-18K-gold Rolesor construction the rest of this article documents. The watch passed unsold at an estimate of €3,000–5,000 in an online sale closing 1 April 2025, then sold for €3,584 including premium at the same house six months later, on 17 October 2025.

Admin: Research: add reference-specific auction-lot sources (Phillips/Antiquorum/Christie's/Pandolfini/Monaco Legend/Bonhams), correct 3595 lug construction, close 5502 direct-lot gap

2026-09-14T14:15:52Z

Research: add reference-specific auction-lot sources (Phillips/Antiquorum/Christie's/Pandolfini/Monaco Legend/Bonhams), correct 3595 lug construction, close 5502 direct-lot gap

← Older revision		Revision as of 14:15, 14 September 2026
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	* Dial feet position. Specific to A.295.		* Dial feet position. Specific to A.295.

			<span id="auction-record"></span>
			== Auction record ==

			One 5031 example is documented at auction with full case-level detail, and it complicates the steel-and-gold-only reading above. Bonhams' Cornette de Saint Cyr saleroom in Paris offered the same physical watch twice in 2025: case no. 612990, movement no. 37574, Cal. G3171 automatic, silvered dial with applied gilt dart hour markers and a date aperture at 3, on a brown alligator strap. The house catalogues the case and bezel as ''stainless steel and chrome-plated'' — not the steel-and-18K-gold Rolesor construction the rest of this article documents. The watch passed unsold at an estimate of €3,000–5,000 in an online sale closing 1 April 2025, then sold for €3,584 including premium at the same house six months later, on 17 October 2025.

			That is one physical example, not a rule — "one auction or dealer example is a lead, not a rule" applies here as much as anywhere. It may reflect a genuine chrome-plated production variant no other documented example has caught, a later service replacement of the original gold bezel and crown with chrome-plated parts, or a cataloguing simplification by the saleroom. No second chrome-plated 5031 turned up in this search, so the question stays open rather than resolved either way.

	== Related references ==		== Related references ==
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	* [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://www.pandolfini.it/ Pandolfini Casa d'Aste catalog usage — 'Ovetto' for 32mm Bubblebacks, 'Ovettone' for 36mm Big Bubblebacks] — Pandolfini Casa d'Aste, Pandolfini
	* [https://www.astebolaffi.it/ Aste Bolaffi catalog usage of 'Ovetto' for standard 32mm Bubblebacks] — Aste Bolaffi		* [https://www.astebolaffi.it/ Aste Bolaffi catalog usage of 'Ovetto' for standard 32mm Bubblebacks] — Aste Bolaffi
			* [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, lot 3068 — Rolex Ref. 5031, passed]
			* [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 Ref. 5031, sold EUR 3,584]

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

Admin: Convert 1 legacy image(s) to WebP

2026-09-14T01:21:54Z

Convert 1 legacy image(s) to WebP

← Older revision		Revision as of 01:21, 14 September 2026
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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 5031 "Ovettone" Transitional Bubbleback\|Rolex 5031 "Ovettone" Transitional Bubbleback]]
	</div>		</div>

Klaudiusz: Fact correction: 5031 is a stainless steel and gold two-tone case (Rolesor-style), not solid pink gold — documented with both yellow and pink gold accents. The real 5030/5031 distinction is construction (solid gold vs. two-tone), not gold color. See Reference:5030's matching correction and the dedicated research behind both.

2026-09-12T20:36:34Z

Fact correction: 5031 is a stainless steel and gold two-tone case (Rolesor-style), not solid pink gold — documented with both yellow and pink gold accents. The real 5030/5031 distinction is construction (solid gold vs. two-tone), not gold color. See Reference:5030's matching correction and the dedicated research behind both.

← Older revision		Revision as of 20:36, 12 September 2026
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	{{#seo:		{{#seo:
	\|title=Rolex 5031 "Ovettone" Transitional Bubbleback — Rolexopedia		\|title=Rolex 5031 "Ovettone" Transitional Bubbleback — 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=The 5031 is the stainless steel and gold two-tone twin of the solid-gold ref 5030 — the one-year bridge between the 1945–1949 ref 4467 and the 1949 ref 6031. Same 36mm case, same A.295…
	\|keywords=Rolex, 5031, Bubbleback, specifications, reference guide		\|keywords=Rolex, 5031, Bubbleback, specifications, reference guide
	\|image=Ref 5031 hero.jpg		\|image=Ref 5031 hero.jpg
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	</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 the stainless steel and gold two-tone twin of the solid-gold 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 construction: a Rolesor-style steel-and-gold two-tone case rather than solid gold. Both yellow-gold and pink-gold accents are documented on the 5031's two-tone case.


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	\|-		\|-
	\| case materials		\| case materials
	\| 18K pink~~/rose~~ gold		\| Stainless steel and 18K gold, two-tone (Rolesor-style); both yellow-gold and pink-gold accents documented
	\|-		\|-
	\| bezel		\| bezel
	\| fine milled/reeded ~~pink~~ gold		\| fine milled/reeded gold, matching the accent metal
	\|-		\|-
	\| crystal		\| crystal
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	\| no (first consistent appearance on ref 6105 in 1953)		\| no (first consistent appearance on ref 6105 in 1953)
	\|-		\|-
	\| ~~yellow~~-gold twin		\| solid-gold twin
	\| [[Reference:5030\|5030]]		\| [[Reference:5030\|5030]]
	\|-		\|-
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	== What the 5031 is ==		== 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 is the steel-and-gold two-tone twin to the solid-gold 5030: same 36mm Big Bubbleback Datejust architecture, same movement, same transitional place in the line, but built as a Rolesor-style two-tone case rather than solid gold. Documented examples carry both yellow-gold and pink-gold accents against the steel case and bracelet.

	~~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~~.

	<span id="placing-the-5031-in-the-ovettone-sequence"></span>		<span id="placing-the-5031-in-the-ovettone-sequence"></span>
	== Placing the 5031 in the Ovettone sequence ==		== 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.		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 solid-gold twin; the closest direct successor is the 1949 ref 6031, which reverts to the 4467's curvier case flanks after the straight-flank 5031 experiment.

	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.		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.

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

	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~~.		Case architecture on the 5031 is identical to the 5030's shape 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 — but built in steel with gold accents (bezel, crown, and typically the bracelet centre links) rather than solid gold, with the accent gold documented in both yellow and pink.

	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.		The crown on the 5031 is the small screw-down Brevet in the accent gold, matching whichever color the specific example carries, 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 two-tone Big Bubbleback that still wears the old small crown; the 6031 that replaces it in 1949 wears the new one.

	<span id="pink-gold-and-configuration"></span>		<span id="pink-gold-and-configuration"></span>
	== ~~Pink gold~~ and configuration ==		== Case construction 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 5031 is a stainless steel and 18K gold two-tone case (Rolesor-style), documented with both yellow-gold and pink-gold accents — not a solid precious-metal case, and not restricted to one accent color. Period-correct dials match the accent metal: silvered or eggshell dials with applied gold dagger markers in the matching color, gold alpha hands with radium inserts on the lumed configurations, plain polished 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.

	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.		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.

	~~No steel, two-tone, or yellow~~-gold 5031 ~~configurations are~~ documented~~. The pink-gold-only rule~~ is ~~strict for this~~ reference.		A solid-gold 5031 is not documented — that construction is the separate reference 5030.

	<span id="movement-cal.-a.295"></span>		<span id="movement-cal.-a.295"></span>
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	* Movement. Cal. A.295, cross-listed as Cal. 740 or Cal. 745. A later caliber in a 5031 case is a service swap.		* Movement. Cal. A.295, cross-listed as Cal. 740 or Cal. 745. A later caliber in a 5031 case is a service swap.
	* 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.		* Case metal. Stainless steel and 18K gold, two-tone construction — consistent accent color (yellow or pink) across crown, bezel, markers, hands, and bracelet centre links (if present). A solid-gold 5031 claim is a misidentification; that construction is the 5030.
	* Crown. Small Brevet, matching ~~pink gold~~. The larger crown of the 6031 and subsequent Ovettones is not correct for the 5031.		* Crown. Small Brevet, in the accent gold matching the rest of the case. The larger crown of the 6031 and subsequent Ovettones is not correct for the 5031.
	* Case flanks. Straight between the lugs; the 5030/5031 distinguishing feature.		* Case flanks. Straight between the lugs; the 5030/5031 distinguishing shape feature.
	* Bezel. Fine milled or reeded ~~pink~~ gold in the 4467 idiom.		* Bezel. Fine milled or reeded gold, matching the accent color, in the 4467 idiom.
	* 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. "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.		* Dial feet position. Specific to A.295.

Admin: Layout: hero promoted to lead

2026-09-06T22:30:16Z

Layout: hero promoted to lead

← Older revision		Revision as of 22:30, 6 September 2026
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	<small>[[Reference:bubbleback\|Bubbleback]] › '''5031'''</small>		<small>[[Reference:bubbleback\|Bubbleback]] › '''5031'''</small>

			<div class="rp-lead">
			[[File:Ref 5031 hero.jpg\|thumb\|center\|640px\|alt=Rolex 5031 "Ovettone" Transitional Bubbleback\|Rolex 5031 "Ovettone" Transitional Bubbleback]]
			</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 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.

	~~[[File:Ref 5031 hero.jpg\|thumb\|right\|250px\|alt=Rolex 5031 Bubbleback\|Rolex 5031 "Ovettone" Transitional Bubbleback]]~~

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

Admin: site-wide: layout classes (core-facts card, breadcrumb, entry-point cards)

2026-09-05T01:21:38Z

site-wide: layout classes (core-facts card, breadcrumb, entry-point cards)

← Older revision		Revision as of 01:21, 5 September 2026
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	}}		}}

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

	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 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.
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	== Core facts ==		== Core facts ==

	{\| class="wikitable"		{\| class="wikitable rp-facts"
	\|-		\|-
	! detail		! detail