Rolexopedia

Reference:6150: Difference between revisions

[checked revision][checked revision]
← Older edit
VisualWikitext
Deduplicate article: consolidate repeated facts, clean structure
Correctness and image audit: remove research-meta wording, fix table markup, add footer gallery
 
(58 intermediate revisions by 2 users not shown)
Line 1: Line 1:
{{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 — a 36mm Oyster with the 3-6-9 dial layout that defined the Explorer, but with a non-COSC A296 calibre and most dials reading "Precision" rather than "Explorer."
|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, pre-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
}}
}}


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


<small>[[Reference:explorer|Explorer]] → '''6150'''</small>
<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 where the Explorer story begins — or almost begins, depending on whom you ask. Most surviving examples say "Precision" rather than "Explorer" on the dial, and the A296 movement inside is not COSC-certified. Whether the 6150 is the first Explorer or the last pre-Explorer Precision is a live debate among collectors.
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.


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


{| class="wikitable"
 
==Core facts==
 
{| class="wikitable rp-facts"
|-
! detail
! value
|-
|-
! Field !! Value
| reference
| 6150
|-
|-
| Reference || 6150
| family
| Pre-Explorer / early Explorer-related reference
|-
|-
| Family || Explorer (disputed)
| production
| 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
|-
|-
| Production || 1952–1953 (Hodinkee) or 1952–1959 (The Vintage Rolex Field Manual)
| serial cluster
| documented cases run roughly 930,908–945,096; the dated examples cluster around 1953, with some watches documented in 1955–56
|-
|-
| Movement || calibre A296 (non-COSC)
| case
| 36mm stainless steel Oyster with smooth bezel and bubble-back caseback profile
|-
|-
| Case || 36mm stainless steel Oyster, smooth bezel, Bubbleback-style profile
| crystal
| acrylic
|-
|-
| Water resistance || 50m
| movement
| caliber A296, full-rotor self-winding, 18 jewels, 29.5mm (~13 lignes), non-chronometer-rated
|-
|-
| Crystal || acrylic
| dial
| black 3-6-9 chapter-ring layout with "Precision" on most documented examples; some examples add "Explorer" above "Precision"
|-
|-
| Dial || black 3-6-9 layout; "Precision" (common) or "Explorer" (rare). Earliest examples had white dials with alpha-style hands.
| hands
| 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
|}
|}


<span id="where-it-sits-in-the-line"></span>
== Where it sits in the line ==
== Where it sits in the line ==


The 6150 sits at the very start of the Explorer lineage, closely related to the 6098 and 6298. It evolved in 1953 into the 6298/6350, gaining 3-6-9 Arabic dials and Mercedes hands. The 6350 takes the same A296 calibre but certifies it to COSC standard and puts "Explorer" on every dial.
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.


* '''Predecessors / siblings:''' 6098, 6298, and several Explorer-adjacent refs documented in The Vintage Rolex Field Manual (6299 in SS/YG, 8044, 8045 in gold fill, 1427)
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.
* '''Successor:''' [[Reference:6350|6350]]


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


Production dates are contested. Hodinkee dates production to 1952–1953, a short-lived reference. The Vintage Rolex Field Manual gives a wider range of 1952–1959. If the longer window is correct, the 6150 overlaps with both the 6350 and 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.
 
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.


The Vintage Rolex Field Manual notes the 6150 and 6610 are "indistinguishable from one another" except for the movement (A296 vs. Cal. 1030) and the flatter caseback on the 6610. If the 6150 really ran until 1959, distinguishing late 6150s from early 6610s requires caseback inspection.
<span id="movement-notes"></span>
== Movement notes ==


Total production volume is unknown.
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.


== Movement notes ==
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.


Calibre A296, the same base movement as the 6350 — but without COSC certification. This makes the 6150 a non-chronometer, the clearest technical distinction from the 6350 and 6610.
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>
== Dial map ==
== Dial map ==


=== "Precision" dial ===
<span id="early-alpha-hand-configuration"></span>
The common variant. Black dial with 3-6-9 layout and "Precision" above 6 o'clock.
=== Early configuration (alpha hands, white dial) ===
 
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.
 
<span id="precision-dial"></span>
=== "Precision" dial (standard) ===
 
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.
 
[[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-precision-transitional"></span>
=== "Explorer Precision" transitional dial ===
 
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.


=== "Explorer" dial ===
<span id="honeycomb-blackout-rare"></span>
Rarer. Whether these represent a distinct sub-series or late production overlap with the 6350 is unclear.
=== Honeycomb and blackout claims ===


=== The "first Explorer" debate ===
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.
Arguments for: the 3-6-9 layout is here, some examples say "Explorer," and The Vintage Rolex Field Manual calls it one of "the first real Oyster Perpetual Explorers." Arguments against: most dials say "Precision," the movement lacks COSC certification, and the 6350 is the first reference where every known example carries the Explorer name. Neither side has a factory document to settle it.


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


* 36mm stainless steel Oyster case with Bubbleback-style profile (flatter on the 6610 successor)
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.
* Smooth polished bezel
* Acrylic crystal
* 50m water resistance
* Crown details are poorly documented


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>
== Hands ==
== Hands ==


Four configurations documented: alpha-style (earliest production), Mercedes (post-1953), pencil, and a long hour hand variant. The alpha-to-Mercedes transition tracks the 1953 evolution toward Explorer 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.
 
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 and clasps ==
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.


Original-delivery bracelet evidence is a gap in the current research.
[[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.]]


== Still open ==
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.


* Production end date: 1953 or 1959 — the most important open question
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.
* Ratio of "Explorer" vs. "Precision" dials across surviving examples
 
* Whether some "Explorer"-marked 6150s are misidentified 6610s
<span id="hillary-and-the-1953-everest-question"></span>
* Total production volume
== Hillary and the 1953 Everest question ==
* Hand variant distribution by serial range
 
* Original bracelet configurations
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] — Frank Geelen, Monochrome Watches
 
* [https://www.hodinkee.com/articles/rolex-explorer-reference-points Collector's Guide To The Rolex Explorer I] — Jon Bues, Hodinkee
* [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)
* The Vintage Rolex Field Manual — Morning Tundra
* [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.fratellowatches.com/pre-icon-models-the-rolex-references-that-laid-the-groundwork/ Pre-Icon Models: The Rolex References That Laid the Groundwork] (Fratello, 2024)
* [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]]
Retrieved from "https://rolexopedia.net/wiki/Reference:6150"