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{{DISPLAYTITLE:Rolex Chronograph 2507}}
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|title=Rolex Chronograph 2507 — Early Rolex Monopusher | Rolexopedia
|description=Rolex ref. 2507 monopusher examples, dated catalogue records, dial and case variations, and movement descriptions.
|keywords=Rolex 2507, Rolex Marconi, monopusher chronograph, early Rolex chronograph, pre-Daytona
|image=Ref 2507 hero.webp
|image_alt=Yellow-gold Rolex ref. 2507 monopusher chronograph with a silvered multi-scale dial
|type=Article
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}}

<small>[[Reference:pre-daytona-chronographs|Pre-Daytona chronographs]] → '''2507'''</small>

<div class="rp-lead">
[[File:Ref 2507 hero.webp|thumb|center|640px|alt=Yellow-gold Rolex ref. 2507 monopusher chronograph with a silvered multi-scale dial|Case 25672, dated by Antiquorum to 1928. Photo: Antiquorum, lot 537 (2008).]]
</div>

The 2507 is a round, non-Oyster Rolex monopusher chronograph.

==Core facts==

{| class="wikitable"
! Detail !! Documented record
|-
| Reference
| 2507
|-
| Family
| Early Rolex chronograph
|-
| Catalogue dates
| Examples dated 1928–1940s; production span unknown
|-
| Chronograph layout
| One pusher and two registers in the examined examples
|-
| Cases
| Yellow gold and stainless steel are documented in auction records
|-
| Diameter
| 31–40 mm across catalogue descriptions
|-
| Movement
| Manual, 17 jewels in several catalogue entries; movement sizes and caliber descriptions vary by watch
|}

==Where it sits in the line==

Ref. [[Reference:2508|2508]] is the two-pusher counterpart; both are non-Oyster wrist chronographs.

==Production outline==

Antiquorum dates one example to 1928, two to the 1930s and another to the 1940s. Heritage dates its steel example to about 1935. The production span is unknown.

Antiquorum's 2014 lot 592 is internally inconsistent: its heading and essay identify ref. 2562, while the description calls case 22411 a 2507. No reference stamp is legible in the catalogue image. A Rolex Forums post labels a cropped copy of Antiquorum's 2008 photograph as 30 mm; Antiquorum lists that watch, case 25672, at 40 mm.

==Movement notes==

The catalogues list 12-, 12.5- and 13-ligne movements. Heritage identifies the movement in case 65646 as a 17-jewel Y65. The separate DGR/iCollector watch has “MARCONI” on the bridge; its caliber number is not legible.

[[File:Ref 2507 movement.webp|thumb|right|220px|alt=Open movement from a separate Rolex Marconi watch; MARCONI is visible on the bridge|Movement photographed in the DGR/iCollector listing.]]

==Dial map==

Antiquorum describes black multi-scale dials and a matte-silver dial with gold Arabic numerals, a telemeter and a spiral tachymeter. Heritage's steel watch has a two-tone silver-and-gold dial, radial Arabic numerals, subsidiary seconds and blue batons. The DGR listing shows a black, multi-scale dial on the watch whose caseback is stamped 2507. The dial is worn and reflective; the photo cannot establish whether it is original.

[[File:Ref 2507 dial detail.webp|thumb|right|220px|alt=Worn black multi-scale dial on a Rolex Marconi watch|Dial of the separate DGR/iCollector watch.]]

==Case, bezel, crystal, and crown notes==

Auction catalogues document yellow-gold and stainless-steel cases. Antiquorum's gold case 25672 has a hinged back and concave lugs. Heritage describes steel case 65646 as a three-body case with a snap back and one ovoid pusher. The separate DGR example's inner caseback is stamped “R.W.C Ltd” and “2507.” The DGR lot gives no date for the watch.

Case 25672 is the only 40 mm example here; the others measure 31–33 mm.

[[File:Ref 2507 caseback.webp|thumb|right|220px|alt=Inside caseback stamped R.W.C Ltd and 2507|Caseback of the separate DGR/iCollector watch.]]

==Bracelet, clasp, and packaging notes==

The catalogue photographs show leather or cloth straps. Antiquorum's 1999 lot records a Rolex buckle and fitted box but does not say whether they came with the watch. No original bracelet or clasp fitment is established for the 2507.

==Auction record==

The 1992 and 1999 Antiquorum catalogues describe similar black-dial gold watches, but neither gives a case number to show whether they are the same watch.

{| class="wikitable"
! Date !! Source !! Case or identifying details
|-
| 1992
| [https://catalog.antiquorum.swiss/en/lots/rolex-lot-146-28 Antiquorum, lot 28]
| Yellow-gold black-dial watch; 31 mm; 12-line, 17-jewel movement; dated to the 1940s.
|-
| 1999
| [https://catalog.antiquorum.swiss/en/lots/rolex-lot-54-263 Antiquorum, lot 263]
| Yellow-gold black-dial watch; 32 mm; 13-line, 17-jewel movement; dated to the 1930s.
|-
| 2000
| [https://catalog.antiquorum.swiss/en/lots/rolex-lot-66-69 Antiquorum, lot 69]
| Yellow-gold silver-dial watch; 32 mm; 13-line, 17-jewel movement; dated to the 1930s.
|-
| 2008
| [https://catalog.antiquorum.swiss/en/lots/rolex-lot-203-537 Antiquorum, case 25672]
| Yellow gold; dated 1928; catalogue reports 40 mm and a 12.5-line, 17-jewel movement.
|-
| 2012
| [https://jewelry.ha.com/itm/timepieces/wristwatch/rolex-marconi-rare-single-button-steel-chronograph-circa-1935/a/5097-60267.s Heritage, case 65646]
| Stainless steel; circa 1935; 33 mm; Heritage identifies the movement as Y65.
|}

==Gallery==

<gallery mode="packed" heights="180">
File:Ref 2507 hero.webp|Case 25672, yellow gold, dated 1928. Photo: Antiquorum, lot 537 (2008).
File:Ref 2507 dial detail.webp|Separate DGR/iCollector watch with a black multi-scale dial; the surface is heavily worn and reflects the light.
File:Ref 2507 caseback.webp|Inside caseback of the DGR/iCollector watch, stamped “R.W.C Ltd” and “2507.”
File:Ref 2507 movement.webp|Movement from the DGR/iCollector watch; “MARCONI” is visible on the bridge, but no caliber number is legible.
</gallery>

== Sources ==

* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-203-537 "Antiquorum, Important Collectors' Watches, Geneva, 16 March 2008, lot 537 — ref. 2507, case 25672", Antiquorum, 2008-03-16]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-146-28 "Antiquorum, The Art of Rolex, Vicenza, 18 January 1992, lot 28 — ref. 2507", Antiquorum, 1992-01-18]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-54-263 "Antiquorum, The Art of Horology in Geneva, 13 November 1999, lot 263 — ref. 2507", Antiquorum, 1999-11-13]
* [https://catalog.antiquorum.swiss/en/lots/rolex-lot-66-69 "Antiquorum, 100 Years of Wristwatches, Geneva, 19 November 2000, lot 69 — ref. 2507", Antiquorum, 2000-11-19]
* [https://jewelry.ha.com/itm/timepieces/wristwatch/rolex-marconi-rare-single-button-steel-chronograph-circa-1935/a/5097-60267.s "Heritage Auctions, Timepieces Signature Auction, New York, 19 May 2012, lot 60267 — Rolex Marconi ref. 2507, case 65646", Heritage Auctions, 2012-05-19]
* [https://www.icollector.com/Men-s-Rolex-Marconi-Single-Button-Chronograph-Watch_i36366932 "iCollector / DGR Auctions, Vintage Dreams — Ides of March, 15 March 2020, lot 146 — Rolex Marconi monopusher", iCollector / DGR Auctions, 2020-03-15]
* [https://irp-cdn.multiscreensite.com/0b5fdf83/files/uploaded/1.0%20RolexBook-23Mar.pdf ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra]
* [https://www.rolexforums.com/~trfcom/showthread.php?p=10970447 powerfunk, "Rolex Forums, “Every Rolex chronograph reference ever made,” post 1", Rolex Forums, 2020-10-06]
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-2507-lot-286-592 "Antiquorum, Important Modern & Vintage Timepieces, Geneva, 8–9 November 2014, lot 592 — disputed refs. 2507/2562", Antiquorum, 2014-11-08]

[[Category:Pre-Daytona-Chronographs]]

Reference:2507 - Revision history

Admin: Create ref. 2507 article