Reference:6552: Difference between revisions
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The 6552 is the first automatic Air-King — a four-year reference (1953–1957) that sits between the hand-wound 4925 and the long-running 5500. Inside the case is Cal 1030, Rolex's first bidirectional self-winding caliber, with the butterfly rotor stamped ROLEX PERPETUAL PATENTED. The dial reads AIR-KING / SUPER PRECISION | The 6552 is the first automatic Air-King — a four-year reference (1953–1957) that sits between the hand-wound 4925 and the long-running 5500. Inside the case is Cal 1030, Rolex's first bidirectional self-winding caliber, with the butterfly rotor stamped ROLEX PERPETUAL PATENTED. The dial reads AIR-KING / SUPER PRECISION; the contemporary Submariner and Explorer carried the chronometer-rated OYSTER PERPETUAL text instead, even though the 6552's movement underneath was being adjusted to chronometer grade. The 6552 is where the Air-King first becomes the entry-tier Rolex with a flagship-tier movement underneath. | ||
The reference is rare at major-house auction. Antiquorum's Mondani Collection lot 108-89 (Geneva, 14 May 2006) is the strongest single anchor; Dorotheum, Monaco Legend Group, and a handful of European weekly sales round out a documented record of four named-house lots in total. Phillips, Sotheby's, and Christie's have no standalone 6552 catalogue lot in the auction record through 2025 — the 5500 absorbs the major-house attention, and the four-year production window left fewer 6552s in circulation to anchor headline essay material. | The reference is rare at major-house auction. Antiquorum's Mondani Collection lot 108-89 (Geneva, 14 May 2006) is the strongest single anchor; Dorotheum, Monaco Legend Group, and a handful of European weekly sales round out a documented record of four named-house lots in total. Phillips, Sotheby's, and Christie's have no standalone 6552 catalogue lot in the auction record through 2025 — the 5500 absorbs the major-house attention, and the four-year production window left fewer 6552s in circulation to anchor headline essay material. | ||
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The 6552's Cal 1030 sits at the centre of an architecturally important moment. The same caliber powers the contemporary 6534 / 6536 small-crown Submariner (1955–58), the 6610 Explorer (1955–59), and the 6202 Turn-O-Graph at the end of its production. These four references — 6552 Air-King, 6536 Submariner, 6610 Explorer, 6202 Turn-O-Graph — share the Cal 1030's architecture and run roughly in parallel through the mid-1950s. The 6552 is the Air-King's only true Cal 1030 reference; by the 5500's introduction in 1957 the line is already moving onto the Cal 1530 / 1520 era. | The 6552's Cal 1030 sits at the centre of an architecturally important moment. The same caliber powers the contemporary 6534 / 6536 small-crown Submariner (1955–58), the 6610 Explorer (1955–59), and the 6202 Turn-O-Graph at the end of its production. These four references — 6552 Air-King, 6536 Submariner, 6610 Explorer, 6202 Turn-O-Graph — share the Cal 1030's architecture and run roughly in parallel through the mid-1950s. The 6552 is the Air-King's only true Cal 1030 reference; by the 5500's introduction in 1957 the line is already moving onto the Cal 1530 / 1520 era. | ||
The 1002 Oyster Perpetual that some sources identify as a 6552 sibling actually arrives later (1959 onward) | The 1002 Oyster Perpetual that some sources identify as a 6552 sibling actually arrives later (1959 onward), overlapping with the 5500's production and post-dating the 6552's 1957 retirement. The 5504 (36mm oversized Air-King with an Explorer-case profile) sits parallel to the 5500 from 1958, post-dating the 6552. | ||
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Surviving 6552s often carry case numbers that date to 1958 or 1959 — past the 1957 active-production end. Antiquorum lot 108-89 (case 437,255) is dated 1959; Monaco Legend Group July 2024 lot 72 (case 376,058) is 1958; Dorotheum lot 145-051401/0001 (case 376,310) is c.1958. The pattern is the same as the 6610 Explorer (active production ends 1959, retail through 1963) — leftover cases continued to be assembled and dispatched to dealers after the catalogue end-date, often with later parts and movement service swaps already in place. | Surviving 6552s often carry case numbers that date to 1958 or 1959 — past the 1957 active-production end. Antiquorum lot 108-89 (case 437,255) is dated 1959; Monaco Legend Group July 2024 lot 72 (case 376,058) is 1958; Dorotheum lot 145-051401/0001 (case 376,310) is c.1958. The pattern is the same as the 6610 Explorer (active production ends 1959, retail through 1963) — leftover cases continued to be assembled and dispatched to dealers after the catalogue end-date, often with later parts and movement service swaps already in place. | ||
Total production output is not published by Rolex. The four-year production window plus the 6552's modest profile in its day suggests substantially smaller output than the 5500. The reference is rare at major-house auction chiefly because most surviving examples sit in the dealer market or in private collections | Total production output is not published by Rolex. The four-year production window plus the 6552's modest profile in its day suggests substantially smaller output than the 5500. The reference is rare at major-house auction chiefly because most surviving examples sit in the dealer market or in private collections; Phillips, Sotheby's, and Christie's headline sales see few of them. Production scarcity is the smaller factor. | ||
The caseback stamping deserves explicit attention. Inside the caseback the 6552 typically reads 6565 — the case-only reference shared with the chronometer-grade Oyster Perpetual sibling that ran in parallel and used the same case middle. The 6552 designation appears stamped between the lugs as the model reference. This duality is correct and original, confirmed across Antiquorum lot 108-89 ("the back is stamped 6552, the case is stamped 6565") and the Relojes Vintage Mexico Patrizzi-documented 1958 example. A 6552 caseback stamped only "6552" inside is unusual; "6565" inside with "6552" between the lugs is the period-correct configuration. | The caseback stamping deserves explicit attention. Inside the caseback the 6552 typically reads 6565 — the case-only reference shared with the chronometer-grade Oyster Perpetual sibling that ran in parallel and used the same case middle. The 6552 designation appears stamped between the lugs as the model reference. This duality is correct and original, confirmed across Antiquorum lot 108-89 ("the back is stamped 6552, the case is stamped 6565") and the Relojes Vintage Mexico Patrizzi-documented 1958 example. A 6552 caseback stamped only "6552" inside is unusual; "6565" inside with "6552" between the lugs is the period-correct configuration. | ||
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Specifications across documented examples: 25 jewels, 18,000 vph, approximately 42-hour power reserve, Breguet balance spring, monometallic balance adjusted to five positions and temperature. The Antiquorum lot 108-89 catalogue text quotes the canonical spec: "Cal.1030, rhodium-plated with decoration. 25 jewels, straight line lever escapement, monometallic balance adjusted to five positions and temperature, with Breguet balance spring." Dorotheum's lot describes movement N809,993 with the same spec. | Specifications across documented examples: 25 jewels, 18,000 vph, approximately 42-hour power reserve, Breguet balance spring, monometallic balance adjusted to five positions and temperature. The Antiquorum lot 108-89 catalogue text quotes the canonical spec: "Cal.1030, rhodium-plated with decoration. 25 jewels, straight line lever escapement, monometallic balance adjusted to five positions and temperature, with Breguet balance spring." Dorotheum's lot describes movement N809,993 with the same spec. | ||
The chronometer status is the interesting question. The 6552's Cal 1030 movement was being adjusted to chronometer grade in many examples — the Antiquorum lot's "five positions and temperature" adjustment is itself the COSC adjustment standard. | The chronometer status is the interesting question. The 6552's Cal 1030 movement was being adjusted to chronometer grade in many examples — the Antiquorum lot's "five positions and temperature" adjustment is itself the COSC adjustment standard. The dial text reads "AIR-KING / SUPER PRECISION." Omitting "OFFICIALLY CERTIFIED CHRONOMETER" keeps the watch in the entry tier despite the underlying movement quality. Marcus Siems makes the distinction explicit: "in contrast to other Oyster Perpetuals these Air-Kings weren't Chronometer certified and marked Super Precision." The 6552 walks the line — chronometer-grade movement, sub-chronometer dial designation. Both can be true simultaneously and frequently are on the same watch. | ||
Charlie Dunne, writing at Wind Vintage in the Perpetual Movement Part 2 piece, describes the 1030's red-anodized aluminium wheels in the self-winding module as the first time Rolex's own self-winding architecture appeared, and frames the 1030 as the first in-house designed chronometer-grade calibre. The 1030 begins the line that runs forward through the 1530 / 1520 (5500 era), the 1560 (early 1016 Explorer), and the 1565 / 1570 (Submariner / Sea-Dweller). Reading the 6552 as the Air-King's only Cal 1030 reference puts it in the same architectural moment as the small-crown Submariners and the early Explorer. | Charlie Dunne, writing at Wind Vintage in the Perpetual Movement Part 2 piece, describes the 1030's red-anodized aluminium wheels in the self-winding module as the first time Rolex's own self-winding architecture appeared, and frames the 1030 as the first in-house designed chronometer-grade calibre. The 1030 begins the line that runs forward through the 1530 / 1520 (5500 era), the 1560 (early 1016 Explorer), and the 1565 / 1570 (Submariner / Sea-Dweller). Reading the 6552 as the Air-King's only Cal 1030 reference puts it in the same architectural moment as the small-crown Submariners and the early Explorer. | ||
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=== Black gloss / black gilt step-dial === | === Black gloss / black gilt step-dial === | ||
A third documented variant surfaces in marketplace listings catalogued as "EXTREMELY RARE ROLEX AIRKING 6552 SUPER PRECISION w/ BLACK GILT STEP-DIAL". Glossy black lacquer or gilt-on-glossy ground, stepped dial profile with the indices and AIR-KING / SUPER PRECISION text on a raised inner section. A documented 1958 example | A third documented variant surfaces in marketplace listings catalogued as "EXTREMELY RARE ROLEX AIRKING 6552 SUPER PRECISION w/ BLACK GILT STEP-DIAL". Glossy black lacquer or gilt-on-glossy ground, stepped dial profile with the indices and AIR-KING / SUPER PRECISION text on a raised inner section. A documented 1958 example — signed "Oyster Perpetual" only at six, without AIR-KING text — wears the same dial type aged to a tropical chocolate-brown — the original and the tropicalised version of the same configuration. The black gloss step-dial 6552 is dealer-grade evidence; corroboration from a major-house lot would lift the variant from "documented at marketplace" to "auction-anchored." | ||
<span id="tropical-chocolate"></span> | <span id="tropical-chocolate"></span> | ||
=== Tropical chocolate === | === Tropical chocolate === | ||
A documented 1958 6552 surfaces with a "glossy deep brown tropical dial" — the gloss black step-dial above aged through decades of UV exposure to a uniform chocolate-brown. The dial is signed "OYSTER PERPETUAL" only at six | A documented 1958 6552 surfaces with a "glossy deep brown tropical dial" — the gloss black step-dial above aged through decades of UV exposure to a uniform chocolate-brown. The dial is signed "OYSTER PERPETUAL" only at six, without AIR-KING text, suggesting either a sister 1002-class dial or a service-replacement dial swap. The configuration is the only documented tropical 6552 in documented examples — the rate of tropical conversion appears low compared to later Cal 1530 / 1520 5500s. | ||
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The most book-grade rarity in the 6552 dial map. A 1958 example documented in Osvaldo Patrizzi's ''Rolex, Collecting Wristwatches'' (2001 edition, page 184) carries a two-tone dial — creamy outer ring with a sunburst silver inner section — and is unsigned (no "OFFICIALLY CERTIFIED CHRONOMETER" text). The same watch's documented record notes the caseback duality (6552 between the lugs, 6565 inside) explicitly. The Patrizzi-book documentation is the strongest provenance anchor in the 6552 dial map; the configuration itself is rare. | The most book-grade rarity in the 6552 dial map. A 1958 example documented in Osvaldo Patrizzi's ''Rolex, Collecting Wristwatches'' (2001 edition, page 184) carries a two-tone dial — creamy outer ring with a sunburst silver inner section — and is unsigned (no "OFFICIALLY CERTIFIED CHRONOMETER" text). The same watch's documented record notes the caseback duality (6552 between the lugs, 6565 inside) explicitly. The Patrizzi-book documentation is the strongest provenance anchor in the 6552 dial map; the configuration itself is rare. | ||
The honeycomb / clous-de-Paris, all-Arabic UK-market, and retailer-signed (Tiffany / Cartier / Beyer / Asprey / Joyería Riviera) 6552 configurations have not surfaced in the auction record. Honeycomb dials of this era live on the 6305 Datejust, 6202 Turn-O-Graph, 6350 / 6298 Explorer / Bubbleback | The honeycomb / clous-de-Paris, all-Arabic UK-market, and retailer-signed (Tiffany / Cartier / Beyer / Asprey / Joyería Riviera) 6552 configurations have not surfaced in the auction record. Honeycomb dials of this era live on the 6305 Datejust, 6202 Turn-O-Graph, and 6350 / 6298 Explorer / Bubbleback — the 6552 does not carry one. Tiffany-signed Air-Kings are a 5500-era story (a documented Tiffany-signed 5500 is the anchor); no 5500-era retailer signature has been documented on a 6552. Their absence is not proof — additional variants may surface as auction catalogues digitise older sales — but the documented record does not currently carry them. | ||
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The crown is a screw-down. Twinlock — Rolex's two-gasket sealed-crown patent — was filed in 1953, the same year the 6552 launched, but no surfaced 6552 lot text specifically marks the watch as "Twinlock-equipped." The convention reads simply "screw-down crown." Twinlock branding becomes formally consistent on Rolex sport references later in the 1950s; 6552-era crowns may or may not carry the patent markings depending on production date within the four-year window. | The crown is a screw-down. Twinlock — Rolex's two-gasket sealed-crown patent — was filed in 1953, the same year the 6552 launched, but no surfaced 6552 lot text specifically marks the watch as "Twinlock-equipped." The convention reads simply "screw-down crown." Twinlock branding becomes formally consistent on Rolex sport references later in the 1950s; 6552-era crowns may or may not carry the patent markings depending on production date within the four-year window. | ||
The 6552 is steel-only across documented examples. No two-tone, no gold-capped, no precious-metal 6552 has surfaced. The two-tone gold-capped Air-Kings live on adjacent reference numbers — 5501 (Rolesor with gold fluted bezel), 5502 / 5506 (gold-capped 40-micron) — that post-date the 6552 and run alongside the 5500 | The 6552 is steel-only across documented examples. No two-tone, no gold-capped, no precious-metal 6552 has surfaced. The two-tone gold-capped Air-Kings live on adjacent reference numbers — 5501 (Rolesor with gold fluted bezel), 5502 / 5506 (gold-capped 40-micron) — that post-date the 6552 and run alongside the 5500. | ||
Water resistance reads at 50m on the Marcus Siems and Robb Report sources (and on most period dial markings reading "50m = 165ft"); Time-Wire reads 100m, which is the 5500-era specification. The 50m figure is better-sourced and consistent with the period rating Rolex used on the entry-tier Oyster line. | Water resistance reads at 50m on the Marcus Siems and Robb Report sources (and on most period dial markings reading "50m = 165ft"); Time-Wire reads 100m, which is the 5500-era specification. The 50m figure is better-sourced and consistent with the period rating Rolex used on the entry-tier Oyster line. | ||
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19mm lug width across the production. The period-correct delivery configuration on a 6552 is a riveted Oyster bracelet 7205 with end-link 57 — A documented 1958 6552 (white dial, serial 37x,xxx, original radium hands) carries this fitment. The 7205 / 57 combination is also the early-run configuration on the 5500 that succeeds the 6552, so the bracelet-end-link pairing carried straight across the reference transition without a generation change. | 19mm lug width across the production. The period-correct delivery configuration on a 6552 is a riveted Oyster bracelet 7205 with end-link 57 — A documented 1958 6552 (white dial, serial 37x,xxx, original radium hands) carries this fitment. The 7205 / 57 combination is also the early-run configuration on the 5500 that succeeds the 6552, so the bracelet-end-link pairing carried straight across the reference transition without a generation change. | ||
Most surviving 6552s wear later bracelets — service-era refits with the 7835 folded-link (1969+) or 78350 solid-link (1976+) Oysters succeeding the original 7205. | Most surviving 6552s wear later bracelets — service-era refits with the 7835 folded-link (1969+) or 78350 solid-link (1976+) Oysters succeeding the original 7205. Verifying bracelet originality on a 6552 means checking the case and clasp dates alongside the bracelet reference number. A 6552 on a 7835 or 78350 is service refit, not original delivery. | ||
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The movement number versus the case number is the standard authentication anchor. Both should be period-consistent and both should match the catalogue's recorded ranges. A 6552 with a Cal 1530 or Cal 1520 (5500-era) movement is service-replacement and not original — the 6552 should always carry a Cal 1030 with its butterfly rotor stamped ROLEX PERPETUAL PATENTED. A non-1030 movement on a 6552 case is a service event, not a rare configuration. | The movement number versus the case number is the standard authentication anchor. Both should be period-consistent and both should match the catalogue's recorded ranges. A 6552 with a Cal 1530 or Cal 1520 (5500-era) movement is service-replacement and not original — the 6552 should always carry a Cal 1030 with its butterfly rotor stamped ROLEX PERPETUAL PATENTED. A non-1030 movement on a 6552 case is a service event, not a rare configuration. | ||
The bracelet usually doesn't help. Most surviving 6552s wear bracelets that post-date the 6552's own production window — 7835 folded-links from the 1970s or 78350 solid-links from the 1980s. Authenticate the head and movement first, | The bracelet usually doesn't help. Most surviving 6552s wear bracelets that post-date the 6552's own production window — 7835 folded-links from the 1970s or 78350 solid-links from the 1980s. Authenticate the head and movement first, and treat the bracelet as supplementary evidence only. | ||