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{{DISPLAYTITLE:Rolex 6150 Explorer}}
{{#seo:
{{#seo:
|title=Rolex Explorer 6150 — BezelBase
|title=Rolex Explorer 6150, Early Explorer-Dial Oyster | Rolexopedia
|description=The 6150 is where the Explorer story begins — or almost begins, depending on whom you ask. It is a 36mm stainless steel Oyster with a smooth bezel and a…
|description=The Rolex 6150 is an early 36mm Oyster reference related to the Explorer. It uses the full-rotor A296, appears mainly with Precision dials, and has documented 1955 Kangchenjunga examples.
|keywords=Rolex, 6150, Explorer, specifications, reference guide
|keywords=Rolex, 6150, Explorer, Pre-Explorer, A296, Precision, Kangchenjunga, Hillary, Everest
|type=article
|image=Ref 6150 hero.webp
|image_alt=Rolex Explorer 6150, gilt dial with 3-6-9 layout
|type=Article
|og_type=article
|published_time=2026-04-16T04:29:22Z
|modified_time=2026-08-04T00:13:33Z
|robots=index,follow,max-image-preview:large
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}}


<small>[[Reference:explorer|Explorer]] → '''6150'''</small>
<small>[[Reference:explorer|Explorer]] › '''6150'''</small>


The 6150 is where the Explorer story begins, or almost begins, depending on whom one asks. That ambiguity is part of the watch, not a flaw in the page.
<div class="rp-lead">
[[File:Ref 6150 hero.webp|thumb|center|640px|alt=Rolex Explorer 6150, gilt dial with 3-6-9 layout|Rolex Explorer 6150, gilt dial with 3-6-9 layout]]
</div>
 
The 6150 is an early 36mm Oyster reference that sits immediately before the 6350 in the Explorer family. It uses the full-rotor A296 in a non-chronometer configuration. Most documented dials read "Precision"; some surviving examples add "Explorer" above it, while a smaller number use the plain Explorer wording. The reference is often linked to the 1953 Everest climb, but the documented 6150 expedition watches are the examples issued for the 1955 Kangchenjunga expedition.


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


[[File:Ref 6150 hero.webp|thumb|right|340px|alt=Rolex Explorer 6150 — gilt dial with 3-6-9 layout|Rolex Explorer 6150 — gilt dial with 3-6-9 layout]]


== Core facts ==
==Core facts==


{| class="wikitable"
{| class="wikitable rp-facts"
|-
|-
! Field
! detail
! Value
! value
|-
|-
| Reference
| reference
| 6150
| 6150
|-
|-
| Family
| family
| Explorer (disputed — see below)
| Pre-Explorer / early Explorer-related reference
|-
|-
| Production
| production
| 1952–1953 (Hodinkee) or 1952–1959 (The Vintage Rolex Field Manual) — disputed
| documented examples from the early 1950s through 1955–56; some catalogues extend the reference to 1959, but surviving case and auction evidence is concentrated in 1953–56
|-
|-
| Movement
| serial cluster
| calibre A296 (non-COSC)
| documented cases run roughly 930,908–945,096; the dated examples cluster around 1953, with some watches documented in 1955–56
|-
|-
| Case
| case
| 36mm stainless steel Oyster, smooth bezel, “Bubble back” style
| 36mm stainless steel Oyster with smooth bezel and bubble-back caseback profile
|-
| crystal
| acrylic
|-
|-
| Water resistance
| movement
| 50m
| caliber A296, full-rotor self-winding, 18 jewels, 29.5mm (~13 lignes), non-chronometer-rated
|-
|-
| Crystal
| dial
| acrylic
| black 3-6-9 chapter-ring layout with "Precision" on most documented examples; some examples add "Explorer" above "Precision"
|-
|-
| Dial
| hands
| black, 3-6-9 layout; “Precision” or “Explorer” text. Early examples: white dials with alpha-style hands (The Vintage Rolex Field Manual)
| Mercedes hour, baton minute, and lollipop seconds appear on many black 3-6-9 examples; alpha-style hands are documented on an early white-dial configuration
|}
|}


Line 49: Line 62:
== Where it sits in the line ==
== Where it sits in the line ==


The 6150 sits at the very start of the Explorer lineage. It is closely related to references 6098 and 6298 in case construction and general specification. The Vintage Rolex Field Manual says the 6150 evolved into the 6298/6350 in 1953, with the transition bringing 3-6-9 Arabic dials and Mercedes hands. It is succeeded by the 6350, which takes the same A296 calibre, certifies it to COSC standard, and puts "Explorer" on every dial. Predecessors and siblings are the 6098 and 6298; successor is the 6350.
The 6150 is the immediate predecessor to the 6350 and is closely related to the 6098 and 6298. The 6098, 6150, and 6350 share the 36mm Oyster case family and the A296 platform, but their dial wording and chronometer status differ. The 6098 is documented as a chronometer reference. Most 6150 dials say "Precision" and the reference is not chronometer-rated. The 6350 is the first reference for which the Explorer name appears consistently on the production dial, together with the Officially Certified Chronometer wording.


The Vintage Rolex Field Manual documents several additional Explorer-adjacent references from the same era that share the 36mm case and chronometer ambitions: the 6298 (Cal. 1030 and A296, stainless steel), the 6299 (Cal. A296, stainless or yellow gold — notably a steel/yellow gold variant), the 8044 (Cal. 1030, stainless), the 8045 (Cal. 1030, gold fill), and the 1427 (Cal. 3000, stainless). These are not Explorers by name, but they document how wide Rolex's exploration of this 36mm tool-watch niche was in the early 1950s.
The 6610 followed the 6350 in the mid-1950s with caliber 1030 and a flatter caseback. The Vintage Rolex Field Manual describes the 6150 and 6610 as visually close, with the movement and caseback profile providing the practical distinctions. Other 36mm references from the same period, including 6298 and 6299, share parts of this case and movement development but should not be treated as 6150 variants.


<span id="production-outline"></span>
<span id="production-outline"></span>
== Production outline ==
== Production outline ==


Production dates are contested. Hodinkee dates production to 1952–1953, making this a short-lived reference. The Vintage Rolex Field Manual gives a much wider range of 1952–1959, a major discrepancy of a 1-year production window versus a 7-year run. If The Vintage Rolex Field Manual is correct, the 6150 overlaps extensively with the 6350 and potentially with the 6610.
The most conservative dating is about 1952–1956. Hodinkee gives the reference as 1952–53, and the Vintage Rolex Field Manual places it in the early A296 group before the 6350. Auction catalogues document cases with 1953 dates and watches that were presented or used in 1955 and 1956. Some specialist catalogues extend the reference to 1959, but the surviving case numbers cited here do not show a continuous run that late. The 1959 date is also the end of the 6610 run, so it should not be used as an unqualified 6150 production date.


Total production volume is unknown under either timeline. The Vintage Rolex Field Manual notes that the 6150 evolved into the 6298/6350 in 1953, which could mean the 6150 continued in production alongside its successors rather than being replaced cleanly.
Documented case numbers include 930,908 (Bonhams 2024), 931,134 (Sotheby's 2025), 944,736 (Bonhams, inner-back date code IV.53), 944,811 (Bonhams), 944,925 (Antiquorum), 944,995 (Mondani Collection), 945,021 (Phillips, George Band), and 945,096 (Sotheby's). These examples fall in a fairly narrow 930K–945K range. The record supports early case production followed by later delivery or use, including the two Kangchenjunga watches, but it does not prove a separate stockpiling programme or a precise final production date.
 
One complicating factor: the Vintage Rolex Field Manual states the 6150 and 6610 are “indistinguishable from one another” except for the movement (A296 vs. 1030) and the flatter caseback on the 6610. If the 6150 really ran until 1959 and overlapped with the 6610, distinguishing late 6150s from early 6610s may require caseback inspection.


<span id="movement-notes"></span>
<span id="movement-notes"></span>
== Movement notes ==
== Movement notes ==


The 6150 runs calibre A296, the same base movement that appears in the 6350. The key difference is certification: the A296 in the 6150 is not COSC-certified, making the 6150 a non-chronometer watch. This is the single clearest technical distinction between the 6150 and the 6350. It is also the key distinguishing feature from the 6610, which uses calibre 1030 .
The 6150 uses Rolex caliber A296, a full-rotor automatic movement generally listed as 29.5mm in diameter with 18 jewels. Auction catalogues and movement references also use the name caliber 775 for early A296 examples, so both names can appear in descriptions of the same watch. The movement is not a bumper design.
 
A260 is the smaller related automatic caliber used in some early Submariner references. A296 and A260 belong to the same period of Rolex automatic development, but the 6150 should be identified by the movement found in the individual watch rather than by a family assumption. No beat rate is given here because the available 6150 sources do not agree on a service specification.
 
The important 6150 distinction is certification. Its documented A296 examples are Precision watches without the Officially Certified Chronometer dial wording used on the 6350. The later 1030-powered 6610 belongs to the next stage of the Explorer sequence and has a flatter caseback.


<span id="dial-map"></span>
<span id="dial-map"></span>
== Dial map ==
== Dial map ==


The 6150 dial story is where the collector debate lives.
<span id="early-alpha-hand-configuration"></span>
=== Early configuration (alpha hands, white dial) ===


<span id="early-configuration-chevalier"></span>
The Vintage Rolex Field Manual places white dials and alpha-style hands among the early 6150 configurations, before the black 3-6-9 layout became standard in the Explorer story. The surviving record is small, and some descriptions group these early watches with the closely related 6098 and 6298. Treat the attribution as a documented configuration, not as a complete production sequence.
=== Early configuration (The Vintage Rolex Field Manual) ===


The Vintage Rolex Field Manual describes early 6150 examples with white dials and alpha-style hands, a configuration that predates the Explorer aesthetic entirely. These early examples look nothing like what most collectors picture when they think “Explorer.” This evolved in 1953 into the 3-6-9 Arabic layout with Mercedes hands, which is the configuration that became the Explorer signature.
<span id="precision-dial"></span>
=== "Precision" dial (standard) ===


<span id="precision-dial"></span>
Most documented 6150 examples have a black gilt dial with a 3-6-9 chapter ring, "Oyster Perpetual" above the centre, and "Precision" below it. The Bonhams and Antiquorum examples cited in the auction record show this wording without an Explorer signature. Gloss level, lume condition, and hand pairing vary between surviving watches.
=== “Precision” dial ===


The more common later variant. Black dial with 3-6-9 layout and “Precision” text above 6 o’clock. No “Explorer” marking.
[[File:Ref 6150 precision-dial-square.webp|thumb|right|240px|alt=Rolex 6150 "Precision" gilt dial, 3-6-9 chapter ring|Rolex 6150 "Precision" gilt dial, 3-6-9 chapter ring]]


<span id="explorer-dial"></span>
<span id="explorer-precision-transitional"></span>
=== “Explorer” dial ===
=== "Explorer Precision" transitional dial ===


Rarer. Black dial with “Explorer” text. Whether these represent a distinct sub-series or late production overlap with the 6350 concept is unclear. Given the Vintage Rolex Field Manual note that 6150 and 6610 are “indistinguishable” except for movement and caseback, there is also a question of whether some “Explorer”-marked 6150 examples might be misidentified 6610s.
Some 6150s have "Explorer" above "Precision". Bonhams lot 15298/261A and the George Band watch sold by Phillips document the combination. The number of surviving examples is not established, so the dial is best described as an Explorer-signed 6150 configuration rather than assigned a fixed production percentage or a definitive place at the end of the run.


<span id="the-first-explorer-debate"></span>
<span id="honeycomb-blackout-rare"></span>
=== The “first Explorer” debate ===
=== Honeycomb and blackout claims ===


Collectors still split on whether the 6150 counts as a true Explorer. The useful point is not to force a verdict, but to see the reference as the hinge between Precision-era 3-6-9 watches and the fully named Explorer line.
Dealer listings mention honeycomb and blackout 6150 dials, but the cited major-house record has no photographed example establishing either as a regular variant. The better-documented groups are the early alpha/white configuration, the black 3-6-9 Precision dial, and Explorer-signed examples.


<span id="case-bezel-crystal-crown"></span>
<span id="case-bezel-crystal-and-crown"></span>
== Case, bezel, crystal, and crown ==
== Case, bezel, crystal, and crown ==


The case is a 36mm stainless steel Oyster with a smooth bezel, "Bubble back" profile, and acrylic crystal. Water resistance is rated to 50m. Crown details are poorly documented for this reference. The case is closely related to the 6098 and 6298, sharing basic construction and dimensions. The "Bubble back" profile is a key visual difference from the 6610, which has a flatter caseback.
The 6150 has a 36mm stainless-steel Oyster case, a smooth fixed bezel, and an acrylic crystal. The A296 case has the rounded bubble-back profile associated with this period; the later 6610 has a flatter back. Exact water-resistance figures are not consistent across the sources used for this page, so they are not assigned here.
 
The small Brevet crown and drilled-lug Oyster construction appear on documented examples, but crown and lug details should be checked against the individual watch. Polished chamfers, replaced crowns, and later crystals can change the appearance without changing the reference number.


<span id="hands"></span>
<span id="hands"></span>
== Hands ==
== Hands ==


Four hand configurations are documented: alpha-style hands on early production (per The Vintage Rolex Field Manual), Mercedes hands on later production after the 1953 evolution, pencil hands, and a long hour hand variant. Distribution of hand types across production is not well mapped. The alpha-to-Mercedes transition appears connected to the 1953 evolution toward 6298/6350 styling.
The early alpha-style hands described in the Field Manual are associated with the white-dial configuration. Later black 3-6-9 examples are commonly shown with a Mercedes hour hand, baton minute hand, and lollipop seconds hand. Long-hour, pencil, and other hand combinations are documented in specialist and auction material, but the available record is too small to treat them as a complete sequence of factory variants.


<span id="bracelets-clasps"></span>
Bonhams 2024 lot 29151/66 adds a documented outlier: case 930,908 was stamped 6150/6350 and carried blued leaf hands with a tropical brown dial. That lot is evidence of a dual-stamped case and an unusual surviving configuration. It does not establish that the hand set was standard delivery for either reference.
 
<span id="bracelets-end-links-and-clasps"></span>
== Bracelets, end links, and clasps ==
== Bracelets, end links, and clasps ==


Bracelet fitment records for the 6150 are thin. Original-delivery bracelet evidence is a gap in the current research.
Auction descriptions document riveted Oyster bracelets on civilian 6150 examples. Sotheby's and Phillips also describe expandable or folding-clasp Oyster bracelets. Those descriptions date the bracelet as offered with the watch; they do not prove that every surviving bracelet is original to the watch head.
 
[[File:Ref 6150 hs10-navy.webp|thumb|right|240px|alt=Rolex 6150 H.S.10 CD Navy example on NATO strap, case 931,134|Rolex 6150 H.S.10 CD Navy-issue example, case 931,134, on a fabric strap.]]
 
The Royal Navy H.S.10 CD examples are a separate military branch. Sotheby's 2025 lot 931,134 is engraved H.S.10 CD with a crow's foot and is shown on a fabric strap. Its dial reads "EXPLORER" without "Precision", a wording distinct from the more common Precision dial and from the Explorer Precision examples. The lot documents that watch, not a universal issue configuration for all 6150s.
 
Bonklip and other bracelet claims appear in dealer descriptions, but the cited auction record does not establish them as original 6150 delivery. Treat them as possible later or service fitments unless the individual watch has matching period evidence.
 
<span id="hillary-and-the-1953-everest-question"></span>
== Hillary and the 1953 Everest question ==
 
Available evidence identifies the Rolex supplied for the 1953 Everest expedition as a chronometer in the 6098 class. The 6150 is a non-chronometer reference, so its shared 36mm Oyster format does not identify it as Hillary's watch. Hillary also carried a Smiths De Luxe A409; period evidence and later specialist discussion disagree about which watch reached the summit, so the point should remain attributed rather than stated as settled fact.
 
Tenzing Norgay is also linked to a Rolex prototype in dealer and auction writing, but no surviving Tenzing watch has been authenticated as a 6150. The 6150's documented expedition association is later: Phillips records George Band's engraved watch and Tony Streather's watch from the 1955 Kangchenjunga expedition. Phillips says Streather received his watch before that expedition. Both examples fall within the early case-number range, but the available material does not prove when each case was assembled.
 
[[File:Ref 6150 kangchenjunga-band-example.webp|thumb|right|240px|alt=George Band's Rolex 6150, case 945,021, Kangchenjunga 1955|George Band's Rolex 6150, case 945,021, with the Kangchenjunga 1955 caseback engraving]]
 
<span id="historical-market-and-auction-record"></span>
== Historical market and auction record ==
 
{| class="wikitable sortable"
|-
! Sale !! Lot !! Year !! Serial !! Variant !! Hammer
|-
| Phillips Geneva Watch Auction SIX || 244 || 2017 || 945,021 || "KANGCHENJUNGA 1955 G.C BAND" caseback, A296 || CHF 200,000
|-
| Phillips Perpetual (private treaty) ||, || 2024 ||, || Tony Streather's Kangchenjunga 6150, fabric strap || private
|-
| Sotheby's London Fine Watches ||, || 2022 || 945,096 || A296 18j, Oyster bracelet, no box/papers || ~GBP 23,940
|-
| Sotheby's Important Watches ||, || 2024 || 945,096 || same example reoffered, Oyster expandable || est. USD 20,000–40,000
|-
| Sotheby's Fine Watches L25713 ||, || 2025 || 931,134 || H.S.10 CD Royal Navy, crow's foot, A296 18j || est. GBP 8,000–12,000
|-
| Antiquorum Geneva || 339-397 || 2021 ||, || Pre-Explorer 3-6-9 chapter ring, gilt ||,
|-
| Antiquorum Geneva || 349-152 || 2022 || 944,925 || "Oyster Perpetual Precision" dial || est. CHF 15,000–20,000
|-
| Antiquorum Geneva (Mondani Collection) ||, || 2006 || 944,995 || "Explorer Precision" dial ||,
|-
| Bonhams || 18849/181 || 2011 || 944,811 || H.S.10 CD, Burford matte-black Swiss T Precision printing, MOD broad-arrow / crow's-foot || GBP 8,400 incl. premium
|-
| Bonhams London || 28033/28 || 2023 || 944,736 || Pre-Explorer gilt Precision dial, Cal.775/A296 movt. No.27166, date-coded IV.53 || unsold, est. GBP 10,000–15,000
|-
| Bonhams Knightsbridge || 28035/57 || 2023 || 944,736 || same watch as above, reoffered || GBP 10,240 incl. premium
|-
| Bonhams London || 15298/261A || 2007 ||, || "Explorer"-signed gilt dial, riveted Oyster bracelet || est. GBP 3,000–3,500
|-
| Bonhams Knightsbridge || 29151/66 || 2024 || 930,908 || Ref: 6150/6350 dual-stamped case, tropicalised dial, blued leaf hands || GBP 4,096 incl. premium
|}
 
These results belong to the individual watches and their provenance. The CHF 200,000 Phillips result is tied to George Band's Kangchenjunga engraving; it is not a general 6150 price benchmark. The military lots, standard Precision examples, and Explorer-signed watches also differ in condition, originality, provenance, and sale format. Use the records above as comparables, not as fixed price bands.
 
 
== Related references ==
 
* [[Reference:1016|Explorer 1016]], Gilt to Matte (1963–1989)
* [[Reference:6098|Explorer 6098]], 1952–1953
* [[Reference:6350|Explorer 6350]], First 'Explorer' Dial (1953–1955)
* [[Reference:6610|Explorer 6610]], Cal 1030, Gilt Dial
* [[Reference:14270|Explorer 14270]], First Sapphire (1989–2001)
* [[Reference:114270|Explorer 114270]], 2001–2010
 
See also the [[Reference:explorer|Explorer 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 6150 hero.webp|6150 overview|Early Explorer-related Oyster
File:Ref 6150 precision-dial-square.webp|Precision dial|Black 3-6-9 Precision dial
File:Ref 6150 hs10-navy.webp|H.S.10 CD branch|Royal Navy example
File:Ref 6150 kangchenjunga-band-example.webp|Kangchenjunga watch|George Band example
</gallery>


== Sources ==
== Sources ==
*
 
* [https://monochrome-watches.com/history-rolex-explorer-from-1953-36mm-1016-14270-114270-214270-124270-in-depth-review/ The History of the Rolex Explorer, The All-Rounder Watch] — Frank Geelen, Monochrome Watches
* [https://monochrome-watches.com/history-rolex-explorer-from-1953-36mm-1016-14270-114270-214270-124270-in-depth-review/ The History of the Rolex Explorer], Frank Geelen (Monochrome Watches, 2024)
* [https://www.hodinkee.com/articles/rolex-explorer-reference-points A Comprehensive Collector's Guide To The Rolex Explorer I] — Jon Bues, Hodinkee
* [https://www.hodinkee.com/articles/rolex-explorer-reference-points A Comprehensive Collector's Guide To The Rolex Explorer I], Jon Bues (Hodinkee, 2018)
* [https://www.bobswatches.com/rolex-blog/rolex-info/rolex-explorer.html Rolex Explorer Guide] — Bob's Watches editorial, Bob's Watches
* [https://www.fratellowatches.com/pre-icon-models-the-rolex-references-that-laid-the-groundwork/ Pre-Icon Models: The Rolex References That Laid the Groundwork] (Fratello, 2024)
* The Vintage Rolex Field Manual — Morning Tundra, unknown
* [https://www.rolex.org/about-rolex/exploration/everest 70 Years of Rolex on Everest] (Rolex Newsroom)
* [https://www.thewatchcollectorsclub.com/blog/the-rolex-explorer-everest-controversy/ The Rolex Explorer Everest Controversy] (The Watch Collectors' Club)
* [https://www.acollectedman.com/blogs/journal/why-the-pre-explorer-rolex-might-be-the-most-interesting-explorer Why the Pre-Explorer Rolex Might Be the Most Interesting Explorer] (A Collected Man)
* [https://oracleoftime.com/2024/06/12/the-rolex-pre-explorer-ref-6150-thats-just-perfect/ The Rolex Pre-Explorer Ref 6150 That's Just Perfect] (Oracle of Time)
* [https://www.phillips.com/detail/rolex/CH080217/244 Rolex 6150, George Band Kangchenjunga, Phillips Geneva Watch Auction SIX lot 244] (Phillips, 2017)
* [https://www.phillips.com/article/42961247/expedition-rolex-tony-streather-kangchenjunga Tony Streather's Kangchenjunga 6150] (Phillips Perpetual)
* [https://www.sothebys.com/en/buy/auction/2022/fine-watches-london/rolex-explorer-6150 Rolex Explorer 6150, Sotheby's London Fine Watches] (Sotheby's, 2022)
* [https://www.sothebys.com/en/buy/auction/2025/fine-watches-l25713/pre-explorer-navy-limited-edition-reference-6150-a Rolex Pre-Explorer 6150 H.S.10 CD, Sotheby's Fine Watches L25713] (Sotheby's, 2025)
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6150-explorer-lot-339-397 Rolex Ref. 6150, Antiquorum Geneva lot 339-397] (Antiquorum, 2021)
* [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6150-explorer-lot-349-152 Rolex Ref. 6150 Oyster Perpetual Precision, Antiquorum Geneva lot 349-152] (Antiquorum, 2022)
* [https://www.bonhams.com/auction/18849/lot/181/ Rolex Pre-Explorer Ref. 6150 H.S.10 CD, Bonhams lot 18849/181] (Bonhams, 2011)
* [https://www.bonhams.com/auction/15298/lot/261A/rolex-a-fine-and-rare-stainless-steel-automatic-centre-seconds-wristwatchexplorer-ref6150-circa-1953/ Rolex Explorer Ref. 6150, "Explorer"-signed dial, Bonhams lot 15298/261A] (Bonhams, 2007)
* [https://www.bonhams.com/auction/28035/lot/57/rolex-a-fine-and-rare-stainless-steel-automatic-wristwatch-with-gilt-dial-precision-pre-explorer-ref-6150-circa-1953/ Rolex "Precision" Pre-Explorer Ref. 6150, case 944736, Cal.775/A296, Bonhams lot 28035/57] (Bonhams, 2023)
* [https://www.bonhams.com/auction/29151/lot/66/rolex-a-stainless-steel-automatic-wristwatch-ref-61506350-circa-1953/ Rolex Ref: 6150/6350 dual-stamped case, leaf hands, Bonhams lot 29151/66] (Bonhams, 2024)
* [https://markllittler.com/blog/the-rolex-explorer-buying-guide The Rolex Explorer Buying Guide] (Mark Littler)
* [https://www.mostra-store.com/rolex-pre-explorer-buying-guide Rolex Pre-Explorer Buying Guide] (Mostra-Store)
* [https://www.10pastten.com/blogs/the-mind-of-a-collector/the-rolex-pre-explorer-pawning-the-pre-explorer The Rolex Pre-Explorer] (10pastten)
* [https://www.watchdoctor.biz/Rolex_Movements.htm Rolex Movements Reference Table] (Watch Doctor)
* ''The Vintage Rolex Field Manual'', Colin A. White, Morning Tundra
* [https://irp-cdn.multiscreensite.com/0b5fdf83/files/uploaded/1.0%20RolexBook-23Mar.pdf The Vintage Rolex Field Manual (PDF)]


[[Category:Explorer]]
[[Category:Explorer]]
[[Category:Working Draft]]
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