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Rolex 6350 Explorer

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Explorer › 6350

6350 honeycomb dial
6350 honeycomb dial

The 6350 is an early chronometer-rated Explorer documented from 1953 into 1954/55. Most published production examples have a black gilt dial with the Explorer and Officially Certified Chronometer lines, while a smaller group has a pressed honeycomb texture. It uses caliber A296 in a 36–37mm steel case with a smooth bezel. Hillary's summit watch was a Smiths De Luxe A409; the Rolex watches associated with the 1953 expedition were 6098s, not 6350s (Rescapement; The Watch Collectors' Club; Beyer Watch Museum). The 6350 appeared after the May 1953 summit. Douglas Prior's 1956 Royal Society Antarctic Expedition watch is a separate documented polar example (Antiquorum 2018, case 955,761).

Core facts

detail value
reference 6350
family Explorer
production 1953 to 1954/55 (case production concentrated in 1953; assembly continued into 1954, with one Antiquorum lot annotated "purchased 1 November 1955" reading as residual stock rather than late production)
serial cluster Published examples span 955,190 to 955,948; the range is a comparison of known cases, not a production count
total produced no published source gives a hard figure
case 36–37mm stainless steel in published measurements, with a smooth fixed bezel
crystal acrylic
movement caliber A296 chronometer-rated, same architecture as the 6150 / 6098 / 6204 / 6205, fine-tuned and adjusted to chronometer standards
dial black gilt chapter-ring or pressed honeycomb / waffle; published examples show the Explorer and Officially Certified Chronometer lines
crown Brevet with "+" Swiss-made sub-mark
hands gilt; Mercedes, pencil, and syringe configurations all documented within the run

Where it sits in the line

The 6350 succeeds the 6150 and precedes the 6610. The 6098 (1952), 6150 (1953), and 6350 (1953–55) form the early Explorer cluster on caliber A296; the 6610 (1955–59) moves to caliber 1030.

The dial text separates the references. Chronometer-rated 6098 examples read Officially Certified Chronometer, the 6150 reads Precision, and the 6350 combines Explorer with Officially Certified Chronometer. A small number of 6098s also carry Explorer wording, including white-dial expedition watches that predate the 6350. The 6350 is therefore the first reference in which Explorer appears as the regular production designation, while the 6098 remains earlier on the narrow question of the first Explorer-marked dial.

Two honeycomb-dial early Explorer references compared
Two honeycomb-dial early Explorer references compared

Production outline

Case production was concentrated in 1953, with assembly continuing into 1954. Caso Watches and explorer1016.com both date the launch to summer 1953. Monochrome (Geelen) reads the run as 1953–1954; Hodinkee Reference Points gives 1953–1955; the Field Manual confirms the 1953 start without specifying an end. The published dates overlap; no source establishes a more precise end date.

Documented case numbers cluster tightly in the 955,xxx range. Phillips Geneva XIII lot 75 (case 955,327), Antiquorum HK May 2022 lot 218 (case 955,343), Phillips Geneva XV lot 157 (case 955,369), Antiquorum HK June 2024 lot 369-111 (case 955,472), Antiquorum Geneva Nov 2018 lot 317-570 (case 955,761), Phillips NY Racing Pulse lot 17 (case 955,837), Phillips Geneva FOUR lot 179 (case 955,855). Other published examples extend the known range to 955,190–955,948. That numerical range does not establish a production total, since the surviving records are selective and Rolex case numbers were not a complete public register.

Total production volume is unknown. The short production window and the small number of documented auction examples support a limited run, but the surviving record cannot be converted into a reliable total.

Movement notes

The 6350 runs caliber A296 in a chronometer-adjusted configuration. A296 is the self-winding caliber used in the 6098, 6150, 6350, and several early Submariner references. Published specifications usually give 18 jewels, a rhodium-plated finish, straight-line lever escapement, monometallic balance with shock protection, and a self-compensating Breguet balance spring. The current movement registry notes that catalogues count 17–19 jewels differently, so the jewel count should not be treated as a precise identifier. The 6350's distinction is its chronometer regulation and the resulting OCC dial line.

A296 is a 29.5mm full-rotor, unidirectional Perpetual; it is not a bumper caliber. The 1030 that followed uses bidirectional winding and a thinner module (Phillips Geneva Watch Auction FOUR lot 146; Charlie Dunne, Wind Vintage). A few surviving 6350s have caliber 775 listed in later catalogues, including the Douglas Prior watch and an Antiquorum 2009 example. Those are service replacements, not evidence that the reference was delivered with 775. A temperature-oil operating range sometimes repeated in specialist material is not supported by a cited Rolex or period-press source and is omitted here.

Dial map

The 6350 record shows two recurring dial surfaces. The honeycomb or waffle texture appears in roughly half of the selected major-house lots (6 of 11); the count is a sample of documented sales, not a production ratio. Collectors use honeycomb and waffle for the same pressed cross-hatch surface, so they are treated as one variant here.

Standard gilt chapter ring

Black lacquered dial with gilt printing, a chapter ring at the perimeter, "Explorer" text, and the OCC line. All text is gilt. Antiquorum HK June 2024 lot 369-111 (case 955,472, HKD 150,000) is one recent example. The configuration appears across the published 1953–55 record; the surviving sales do not establish a relative survival rate against the honeycomb dial.

Gilt dial detail
Gilt dial detail

Honeycomb (waffle)

The pressed cross-hatch texture under the gilt printing replaces the smooth lacquer surface. Specialist descriptions attribute the texture to a stamped and chemically bonded dial finish, but the surviving sources do not document Rolex's complete production process. Honeycomb dials make up roughly half of the selected major-house lot record on the reference. Phillips Geneva XIII 2021 lot 75 (case 955,327), Phillips Racing Pulse NY Dec 2020 lot 17 (case 955,837), Phillips Geneva XV May 2022 lot 157 (case 955,369), Phillips Geneva FOUR Nov 2016 lot 179 (case 955,855), Antiquorum HK May 2022 lot 218 (case 955,343, est HKD 380,000–480,000) anchor the variant.

Honeycomb (waffle) textured dial
Honeycomb (waffle) textured dial

Numeral format

Published photographs of the documented 6350 lots show Arabic numerals at 3, 6, and 9 o'clock. Some older editorial sources describe Roman numerals at those positions; the available photographs do not support a separate Roman-numeral variant, so that wording is best treated as a source error unless a dated example is produced.

Hands

Hands on the 6350 are gilt across the auction record. Published examples show a long-neck Mercedes hour hand, pencil hands, and syringe-style minute hands; the seconds hand is also seen with the lollipop tip used on contemporary 6200 and 6205 Submariners. The surviving sales do not establish a serial-ranged sequence for these combinations, so they are best recorded as documented configurations rather than a dated progression.

  • Mercedes hands with gilt finish
    Mercedes hands with gilt finish
  • Caseback detail
    Caseback detail
  • Brevet-type crown with plus sign
    Brevet-type crown with plus sign

Case, bezel, crystal, and crown

The 6350 uses a stainless-steel case measured at 36–37mm in published auction records, with a smooth fixed bezel and an acrylic crystal. Its case is slimmer than the bubbleback-style 6098 and 6150 profile. The Brevet crown carries the "+" Swiss-made sub-mark. Case construction follows the period Rolex Oyster pattern.

Bracelets, end links, and clasps

Bracelet fitment records for the 6350 are thin. The Sotheby's Explorer archive piece and listing describe rivet Oyster bracelets on documented examples, but original-delivery anchor points are weaker than for the contemporary Submariners. A period-correct option was a Gay Frères stretch riveted Oyster, as used on contemporary 6204/6205 Submariners and early Explorers. The surviving 6350 record does not establish a single original-delivery bracelet, and specific end-link and clasp documentation is incomplete.

Special branches

Douglas Prior, IGY 1956 polar provenance

Antiquorum Geneva November 2018 lot 317-570 (case 955,761) records a 6350 associated with Douglas Prior's Royal Society Antarctic Expedition / IGY 1956 work at Halley Bay. The watch was returned to Rolex after the expedition and re-gifted with a letter referencing the serial. The catalogue lists caliber 775, which is a service replacement. This is documented polar provenance for a 6350; it is separate from the disputed Hillary and Tenzing claims attached to some 6098s. The catalogue title sometimes styles Prior as "Sir", but the lot note identifies him as Douglas Roland Otway Prior and documents the Polar Medal rather than a knighthood.

Original chronometer certification papers
Original chronometer certification papers

Historical market and auction record

Sale Lot Year Serial Variant Hammer
Phillips Geneva XIII 75 2021 955,327 honeycomb, pencil hands CHF 88,200
Phillips Geneva FOUR 179 2016 955,855 honeycomb CHF 35,000
Phillips Geneva XV 157 2022 955,369 honeycomb CHF 75,600
Phillips Racing Pulse NY 17 2020 955,837 honeycomb USD 126,000
Antiquorum NY 223-84 2009 , honeycomb, cal. 775 (service replacement) USD 12,600
Antiquorum HK 351-218 2022 955,343 honeycomb est. HKD 380,000–480,000
Antiquorum HK 369-111 2024 955,472 black gilt chapter ring HKD 150,000
Antiquorum Geneva 317-570 2018 955,761 Douglas Prior IGY 1956, cal. 775 CHF 62,500
Sotheby's archive , 2023 , honeycomb, Mercedes/syringe hands, presentation box USD 48,260
Sotheby's Important Watches Geneva 88 2026 955,521 honeycomb, A296 (catalogue 19j) est. CHF 10,000–20,000

These are selected auction records, not a valuation guide. Results vary with dial condition, originality, provenance, and the quality of the accompanying documentation. The USD 175,000 dealer figure in an older listing is an asking price, not a public sale result, and is omitted from the comparison.

Related references

See also the Explorer family index, movement reference, bracelet & clasp guide, and serial numbers by year.

  • Early Rolex Explorer 6350
    Early Rolex Explorer 6350
  • 6350 full-watch comparison
    6350 full-watch comparison
  • 6350 gilt chapter-ring dial
    6350 gilt chapter-ring dial
  • 6350 honeycomb dial
    6350 honeycomb dial
  • 6350 gilt hands detail
    6350 gilt hands detail
  • 6350 caseback detail
    6350 caseback detail
  • 6350 Brevet crown with plus mark
    6350 Brevet crown with plus mark
  • 6350 chronometer papers
    6350 chronometer papers

Sources

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