Reference:6610 - Revision history

Admin: Resize hero: 340px -> 250px

2026-04-30T04:23:01Z

Resize hero: 340px -> 250px

← Older revision		Revision as of 04:23, 30 April 2026
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	<span id="core-facts"></span>		<span id="core-facts"></span>

	[[File:Ref 6610 hero 2.webp\|thumb\|right\|~~340px~~\|alt=Explorer 6610 — black Officially Certified Chronometer dial\|Explorer 6610 — black Officially Certified Chronometer dial]]		[[File:Ref 6610 hero 2.webp\|thumb\|right\|250px\|alt=Explorer 6610 — black Officially Certified Chronometer dial\|Explorer 6610 — black Officially Certified Chronometer dial]]

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

Admin: Resolve A296 architecture: A-series (A260/A290/A295/A296) is full-rotor uni-directional, not bumper; 1030 introduces bidirectional winding (butterfly rotor) — refs Phillips CH080216/146 Explorer 6610 lot essay + Wind Vintage Eric Ku Perpetual Movement Part 2

2026-04-29T23:31:49Z

Resolve A296 architecture: A-series (A260/A290/A295/A296) is full-rotor uni-directional, not bumper; 1030 introduces bidirectional winding (butterfly rotor) — refs Phillips CH080216/146 Explorer 6610 lot essay + Wind Vintage Eric Ku Perpetual Movement Part 2

← Older revision		Revision as of 23:31, 29 April 2026
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	<small>[[Reference:explorer\|Explorer]] -> '''6610'''</small>		<small>[[Reference:explorer\|Explorer]] -> '''6610'''</small>

	The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across major-house lots, with leftover stock cased and dispatched to dealers as late as 1963 (specialist documentation; Monochrome 2024). The 6610 carries caliber 1030 — Rolex's first ~~full-rotor~~ self-winding ~~architecture~~, ~~replacing~~ the ~~bumper~~-~~style~~ A296 of the 6150 / 6350 / 6098 ~~lineage~~ — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."		The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across major-house lots, with leftover stock cased and dispatched to dealers as late as 1963 (specialist documentation; Monochrome 2024). The 6610 carries caliber 1030 — Rolex's first bidirectional self-winding caliber, with the butterfly rotor that replaces the thicker uni-directional autowind module of the A296 used on the 6150 / 6350 / 6098 — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."

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

	The 6610 replaces the pre-Explorer 6150 and the chronometer-rated 6350. Both predecessors ran the ~~bumper~~ A296 — ~~the~~ 6610's caliber 1030 is the first ~~full-rotor~~ self-winding ~~caliber on the Explorer~~, the ~~architectural line~~ that runs forward through the 1530 series and into the 1560 that powers the early 1016. The Field Manual describes the 6150 and 6610 as "indistinguishable from one another" except for the movement (A296 versus 1030) and the flatter caseback on the 6610. Side by side the caseback profile is immediate.		The 6610 replaces the pre-Explorer 6150 and the chronometer-rated 6350. Both predecessors ran the A296 — a full-rotor uni-directional Perpetual, thicker than what came after. The 6610's caliber 1030 is the first bidirectional self-winding Rolex, the butterfly-rotor architecture that runs forward through the 1530 series and into the 1560 that powers the early 1016. The Field Manual describes the 6150 and 6610 as "indistinguishable from one another" except for the movement (A296 versus 1030) and the flatter caseback on the 6610. Side by side the caseback profile is immediate.

	The 6610 sits as the bridge between the early Explorer cluster (6098, 6150, 6350) and the long-running 1016 that succeeds it. Hodinkee's Reference Points piece on the Explorer (Bues, 2018) puts the 6610 between the 6350 (1953–55) and the 1016 (1959 onwards). The 1016 then runs for thirty years on caliber 1560 and eventually 1570, but the 6610 is where the modern Explorer dial settles.		The 6610 sits as the bridge between the early Explorer cluster (6098, 6150, 6350) and the long-running 1016 that succeeds it. Hodinkee's Reference Points piece on the Explorer (Bues, 2018) puts the 6610 between the 6350 (1953–55) and the 1016 (1959 onwards). The 1016 then runs for thirty years on caliber 1560 and eventually 1570, but the 6610 is where the modern Explorer dial settles.
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	== Movement notes ==		== Movement notes ==

	The 6610 runs caliber 1030 — a 25-jewel automatic with self-compensating Breguet balance spring, monometallic balance with shock absorber, and 5-position chronometer adjustment with temperature compensation. The 1030 is Rolex's first ~~full-rotor~~ self-winding caliber and dropped the bubble-back caseback profile that the ~~bumper-rotor~~ A296 required for clearance. The Field Manual treats the movement as the primary distinguishing feature between the 6610 and the 6150; the two references are otherwise described as "indistinguishable."		The 6610 runs caliber 1030 — a 25-jewel automatic with self-compensating Breguet balance spring, monometallic balance with shock absorber, and 5-position chronometer adjustment with temperature compensation. The 1030 is Rolex's first bidirectional self-winding caliber and dropped the bubble-back caseback profile that the thicker A296 autowind module required for clearance. The Field Manual treats the movement as the primary distinguishing feature between the 6610 and the 6150; the two references are otherwise described as "indistinguishable."

	The 1030 also runs concurrently on the 6536 / 6536-1 small-crown Submariner and on the 6538 big-crown Submariner — the same architecture serves Explorer and Submariner production through the late 1950s. COSC chronometer rating is universal on the 6610 (the dial reads "Officially Certified Chronometer"), distinguishing it from the non-chronometer 6150 that ran "Precision."		The 1030 also runs concurrently on the 6536 / 6536-1 small-crown Submariner and on the 6538 big-crown Submariner — the same architecture serves Explorer and Submariner production through the late 1950s. COSC chronometer rating is universal on the 6610 (the dial reads "Officially Certified Chronometer"), distinguishing it from the non-chronometer 6150 that ran "Precision."
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	\|}		\|}

	The 6610 trades in three tiers. Red-depth dials with original 113,xxx-cluster serials sit at the top of the standard market — Phillips Hong Kong's HK$ 302,000 result is the headline figure. Tropical and no-depth gilt examples populate the upper-middle. Service-dial and refit examples settle at the lower end. The Albino, when it surfaces, sits in its own tier above all of the above. The reference's narrow collector audience values the technical handoff from the ~~bumper~~-~~rotor~~ 6150 to the ~~full-rotor~~ 1030, and the dial-side handoff from the 6350 OCC layout to the 1016 standard that follows.		The 6610 trades in three tiers. Red-depth dials with original 113,xxx-cluster serials sit at the top of the standard market — Phillips Hong Kong's HK$ 302,000 result is the headline figure. Tropical and no-depth gilt examples populate the upper-middle. Service-dial and refit examples settle at the lower end. The Albino, when it surfaces, sits in its own tier above all of the above. The reference's narrow collector audience values the technical handoff from the uni-directional A296 6150 to the bidirectional 1030, and the dial-side handoff from the 6350 OCC layout to the 1016 standard that follows.

	== Sources ==		== Sources ==

Admin: Audit: strip project-memo register (Capture as, pending corroboration, awaiting source confirmation, Treat as) — reader-facing rephrase

2026-04-29T23:26:49Z

Audit: strip project-memo register (Capture as, pending corroboration, awaiting source confirmation, Treat as) — reader-facing rephrase

← Older revision		Revision as of 23:26, 29 April 2026
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	== Production outline ==		== Production outline ==

	Active production runs 1955 to 1959 across the Phillips, Sotheby's, Bonhams, and Antiquorum lot corpus surveyed. Hodinkee's Reference Points Explorer guide (Bues, 2018) gives the same window. Monochrome's Explorer family history (Geelen, 2024) extends the dispatch window to 1963, reading the late market presence as leftover stock dispatched after Rolex had moved to the 1016 in 1959. The Field Manual gives 1959 as the start year and does not specify an end — a minority view that the rest of the corpus does not corroborate. ~~Capture~~ as a date contradiction: 1955–59 active per the auction record + Hodinkee + Monochrome; 1959–63 per VRFM in start-only form.		Active production runs 1955 to 1959 across the Phillips, Sotheby's, Bonhams, and Antiquorum lot corpus surveyed. Hodinkee's Reference Points Explorer guide (Bues, 2018) gives the same window. Monochrome's Explorer family history (Geelen, 2024) extends the dispatch window to 1963, reading the late market presence as leftover stock dispatched after Rolex had moved to the 1016 in 1959. The Field Manual gives 1959 as the start year and does not specify an end — a minority view that the rest of the corpus does not corroborate. This stands as a date contradiction: 1955–59 active per the auction record + Hodinkee + Monochrome; 1959–63 per VRFM in start-only form.

	Documented serial numbers run from 113,092 to 360,272+. Red-depth-printed dials concentrate in the first-year 113,xxx batch (Phillips Geneva 8 lot 95; Phillips Watch Auction One lot 167). Standard no-depth gilt examples populate the late-1950s bands. The serial-band evidence supports the 1955-active-production reading.		Documented serial numbers run from 113,092 to 360,272+. Red-depth-printed dials concentrate in the first-year 113,xxx batch (Phillips Geneva 8 lot 95; Phillips Watch Auction One lot 167). Standard no-depth gilt examples populate the late-1950s bands. The serial-band evidence supports the 1955-active-production reading.

Admin: Text audit: voice, clarity, source links

2026-04-29T23:20:23Z

Text audit: voice, clarity, source links

← Older revision		Revision as of 23:20, 29 April 2026
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	== Bracelets, end links, and clasps ==		== Bracelets, end links, and clasps ==

	Period-correct delivery is the 6636 expandable rivet or the 7206 fixed-link rivet, both with 57 or 58 end-links. ~~The 41Watch primer on rivet Oyster~~ bracelets ~~and chrono-shop's part listings both anchor 6636 / 7206 with 57/58 end-links to~~ the late-1950s Explorer / Submariner cluster. The 9315 folded-link Oyster turns up frequently on cataloged 6610 examples but the clasp date codes prove these are post-1968 service replacements — not period-correct for any 6610. The 78360 folded-link Oyster (introduced in the 1970s) is a known service swap on later survivors.		Period-correct delivery is the 6636 expandable rivet or the 7206 fixed-link rivet, both with 57 or 58 end-links. Both bracelets share the late-1950s Explorer / Submariner end-link cluster. The 9315 folded-link Oyster turns up frequently on cataloged 6610 examples but the clasp date codes prove these are post-1968 service replacements — not period-correct for any 6610. The 78360 folded-link Oyster (introduced in the 1970s) is a known service swap on later survivors.

	Big Logo Swiss rivet bracelets surface on a small group of late 6610s; whether they were original-delivery or later fitments is not always clear from the surviving record. Specialist documentation records a 1958 6610 with service papers on a Big Logo bracelet, which suggests a service-era refit rather than original delivery.		Big Logo Swiss rivet bracelets surface on a small group of late 6610s; whether they were original-delivery or later fitments is not always clear from the surviving record. Specialist documentation records a 1958 6610 with service papers on a Big Logo bracelet, which suggests a service-era refit rather than original delivery.

Admin: Audit: clean stranded dealer-name residue (& Sons, Bulang & Sons, Gray & Sons)

2026-04-29T22:49:54Z

Audit: clean stranded dealer-name residue (& Sons, Bulang & Sons, Gray & Sons)

← Older revision		Revision as of 22:49, 29 April 2026
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	* [https://www.craftandtailored.com/products/1958-rolex-explorer-i-ref-6610-gilt-chapter-ring-dial 1958 Rolex Explorer I Ref. 6610 — gilt chapter-ring] (Craft and Tailored)		* [https://www.craftandtailored.com/products/1958-rolex-explorer-i-ref-6610-gilt-chapter-ring-dial 1958 Rolex Explorer I Ref. 6610 — gilt chapter-ring] (Craft and Tailored)
	* [https://tropicalwatch.com/watches/1958-rolex-explorer-6610-gilt-dial-with-service-papers/bwnd 1958 Rolex Explorer 6610 — gilt dial with service papers] (Tropical Watch)		* [https://tropicalwatch.com/watches/1958-rolex-explorer-6610-gilt-dial-with-service-papers/bwnd 1958 Rolex Explorer 6610 — gilt dial with service papers] (Tropical Watch)
	* [https://bulangandsons.com/products/rolex-explorer-gilt-dial-6610 Rolex Explorer 6610 gilt dial] ~~(& Sons)~~		* [https://bulangandsons.com/products/rolex-explorer-gilt-dial-6610 Rolex Explorer 6610 gilt dial]
	* [https://rolexpassionmarket.com/watches/rolex-explorer-ref-6610/ Rolex Explorer Ref. 6610] (Rolex Passion Market)		* [https://rolexpassionmarket.com/watches/rolex-explorer-ref-6610/ Rolex Explorer Ref. 6610] (Rolex Passion Market)
	* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra		* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

Admin: Audit: strip banned dealer names from prose lists per CLAUDE.md hard rule #5

2026-04-29T22:47:59Z

Audit: strip banned dealer names from prose lists per CLAUDE.md hard rule #5

← Older revision		Revision as of 22:47, 29 April 2026
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	* [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.hodinkee.com/articles/rolex-explorer-reference-points A Comprehensive Collector's Guide To The Rolex Explorer I] — Jon Bues (Hodinkee, 2018)
	* [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://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.bobswatches.com/rolex-blog/rolex-info/rolex-explorer.html Rolex Explorer Guide] (~~Bob's Watches~~ editorial)		* [https://www.bobswatches.com/rolex-blog/rolex-info/rolex-explorer.html Rolex Explorer Guide] (editorial)
	* [https://www.woundforlife.com/2015/08/12/under-the-loupe-rolex-explorer-reference-6610/ Under the Loupe — Rolex Explorer Reference 6610] (Wound For Life, 2015)		* [https://www.woundforlife.com/2015/08/12/under-the-loupe-rolex-explorer-reference-6610/ Under the Loupe — Rolex Explorer Reference 6610] (Wound For Life, 2015)
	* [https://www.phillips.com/detail/rolex/CH080218/95 Rolex Explorer 6610 — Phillips Geneva 8, lot 95] (Phillips, 2018)		* [https://www.phillips.com/detail/rolex/CH080218/95 Rolex Explorer 6610 — Phillips Geneva 8, lot 95] (Phillips, 2018)
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	* [https://www.craftandtailored.com/products/1958-rolex-explorer-i-ref-6610-gilt-chapter-ring-dial 1958 Rolex Explorer I Ref. 6610 — gilt chapter-ring] (Craft and Tailored)		* [https://www.craftandtailored.com/products/1958-rolex-explorer-i-ref-6610-gilt-chapter-ring-dial 1958 Rolex Explorer I Ref. 6610 — gilt chapter-ring] (Craft and Tailored)
	* [https://tropicalwatch.com/watches/1958-rolex-explorer-6610-gilt-dial-with-service-papers/bwnd 1958 Rolex Explorer 6610 — gilt dial with service papers] (Tropical Watch)		* [https://tropicalwatch.com/watches/1958-rolex-explorer-6610-gilt-dial-with-service-papers/bwnd 1958 Rolex Explorer 6610 — gilt dial with service papers] (Tropical Watch)
	* [https://bulangandsons.com/products/rolex-explorer-gilt-dial-6610 Rolex Explorer 6610 gilt dial] (~~Bulang~~ & Sons)		* [https://bulangandsons.com/products/rolex-explorer-gilt-dial-6610 Rolex Explorer 6610 gilt dial] (& Sons)
	* [https://rolexpassionmarket.com/watches/rolex-explorer-ref-6610/ Rolex Explorer Ref. 6610] (Rolex Passion Market)		* [https://rolexpassionmarket.com/watches/rolex-explorer-ref-6610/ Rolex Explorer Ref. 6610] (Rolex Passion Market)
	* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra		* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

Admin: Audit: strip research-scaffold corpus tokens (surveyed corpus, auction-house corpus, consulted source) — reader-facing rephrase

2026-04-29T21:44:29Z

Audit: strip research-scaffold corpus tokens (surveyed corpus, auction-house corpus, consulted source) — reader-facing rephrase

← Older revision		Revision as of 21:44, 29 April 2026
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	<small>[[Reference:explorer\|Explorer]] -> '''6610'''</small>		<small>[[Reference:explorer\|Explorer]] -> '''6610'''</small>

	The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across ~~the auction~~-house ~~corpus~~, with leftover stock cased and dispatched to dealers as late as 1963 (specialist documentation; Monochrome 2024). The 6610 carries caliber 1030 — Rolex's first full-rotor self-winding architecture, replacing the bumper-style A296 of the 6150 / 6350 / 6098 lineage — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."		The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across major-house lots, with leftover stock cased and dispatched to dealers as late as 1963 (specialist documentation; Monochrome 2024). The 6610 carries caliber 1030 — Rolex's first full-rotor self-winding architecture, replacing the bumper-style A296 of the 6150 / 6350 / 6098 lineage — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."

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

Admin: 6610: drop final hammer mention from dial-map prose; pricing belongs in dedicated auction record section

2026-04-29T15:30:59Z

6610: drop final hammer mention from dial-map prose; pricing belongs in dedicated auction record section

← Older revision		Revision as of 15:30, 29 April 2026
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	=== Red depth 50m gilt (early) ===		=== Red depth 50m gilt (early) ===

	The earliest 6610 dials carry a red-printed "50m=165ft" depth rating beneath the OCC line. Phillips Geneva 8 lot 95 (case 113,xxx) and Phillips Watch Auction One lot 167 anchor the variant; Antiquorum lot 368-493 documents another red-depth example. Red-depth dials concentrate in the 113,xxx serial cluster — first-year 1955 production. The red-depth signature is the cleanest dating anchor for an unrestored 6610. ~~Hammer prices for~~ red-depth examples ~~cluster CHF 30,000+ at~~ the ~~lower end and HK$ 302,000 at~~ the ~~upper end (Phillips Hong Kong XV lot 1055)~~.		The earliest 6610 dials carry a red-printed "50m=165ft" depth rating beneath the OCC line. Phillips Geneva 8 lot 95 (case 113,xxx) and Phillips Watch Auction One lot 167 anchor the variant; Antiquorum lot 368-493 documents another red-depth example. Red-depth dials concentrate in the 113,xxx serial cluster — first-year 1955 production. The red-depth signature is the cleanest dating anchor for an unrestored 6610. Documented red-depth examples populate the upper tier of the 6610 collector market.

	<span id="gilt-no-depth-mid-late"></span>		<span id="gilt-no-depth-mid-late"></span>

Admin: Trim dealer/source name-drops in prose per CLAUDE.md hard rule #5 + user feedback. Strip "Bob's, SwissWatchExpo, HQ Milton, Wind Vintage, Hairspring, Bulang, Tropical Watch, Loupe This, Vintage Gold Watches, Craft and Tailored, OBW Collection, Wound For Life, Lange Dyk, Everest Bands, Gray & Sons, Bernard Watch, Exquisite Timepieces, Doc Watches, davidsw, drsd, Watchprosite, Wrist Icons, Goldammer, Mauri DeAngelis, etc." from prose body. Keep facts. Source list at bottom unchanged.

2026-04-29T13:38:17Z

Trim dealer/source name-drops in prose per CLAUDE.md hard rule #5 + user feedback. Strip "Bob's, SwissWatchExpo, HQ Milton, Wind Vintage, Hairspring, Bulang, Tropical Watch, Loupe This, Vintage Gold Watches, Craft and Tailored, OBW Collection, Wound For Life, Lange Dyk, Everest Bands, Gray & Sons, Bernard Watch, Exquisite Timepieces, Doc Watches, davidsw, drsd, Watchprosite, Wrist Icons, Goldammer, Mauri DeAngelis, etc." from prose body. Keep facts. Source list at bottom unchanged.

← Older revision		Revision as of 13:38, 29 April 2026
Line 14:		Line 14:
	<small>[[Reference:explorer\|Explorer]] -> '''6610'''</small>		<small>[[Reference:explorer\|Explorer]] -> '''6610'''</small>

	The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across the auction-house corpus, with leftover stock cased and dispatched to dealers as late as 1963 (~~Wound For Life~~; Monochrome ~~Geelen,~~ 2024). The 6610 carries caliber 1030 — Rolex's first full-rotor self-winding architecture, replacing the bumper-style A296 of the 6150 / 6350 / 6098 lineage — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."		The 6610 is the second-generation Explorer. Active production runs 1955 to 1959 across the auction-house corpus, with leftover stock cased and dispatched to dealers as late as 1963 (specialist documentation; Monochrome 2024). The 6610 carries caliber 1030 — Rolex's first full-rotor self-winding architecture, replacing the bumper-style A296 of the 6150 / 6350 / 6098 lineage — and settles the Explorer dial into the layout that runs forward into the 1016. Among Explorer dials in any reference the 6610 holds the rarest of all sub-branches, the white-dial "Albino." Colin A. White's ''The Vintage Rolex Field Manual'' calls the 6150 and 6610 "the first real Oyster Perpetual Explorers."

	<span id="core-facts"></span>		<span id="core-facts"></span>
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	\|-		\|-
	\| production		\| production
	\| 1955–1959 active manufacture (Hodinkee Reference Points; Phillips, Sotheby's, Bonhams catalogues); leftover stock cased into 1963 ~~(Wound For Life; Monochrome Geelen)~~. VRFM gives 1959 as start year — minority view		\| 1955–1959 active manufacture (Hodinkee Reference Points; Phillips, Sotheby's, Bonhams catalogues); leftover stock cased into 1963. VRFM gives 1959 as start year — minority view
	\|-		\|-
	\| serial bands		\| serial bands
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	== Production outline ==		== Production outline ==

	Active production runs 1955 to 1959 across the Phillips, Sotheby's, Bonhams, and Antiquorum lot corpus surveyed. Hodinkee's Reference Points Explorer guide (Bues, 2018) gives the same window. Monochrome's Explorer family history (Geelen, 2024) extends the dispatch window to 1963, reading the late market presence as leftover stock dispatched after Rolex had moved to the 1016 in 1959~~. Wound For Life concurs on 1959 active production and 1963 dispatch tail~~. The Field Manual gives 1959 as the start year and does not specify an end — a minority view that the rest of the corpus does not corroborate. Capture as a date contradiction: 1955–59 active per the auction record + Hodinkee + Monochrome; 1959–63 per VRFM in start-only form.		Active production runs 1955 to 1959 across the Phillips, Sotheby's, Bonhams, and Antiquorum lot corpus surveyed. Hodinkee's Reference Points Explorer guide (Bues, 2018) gives the same window. Monochrome's Explorer family history (Geelen, 2024) extends the dispatch window to 1963, reading the late market presence as leftover stock dispatched after Rolex had moved to the 1016 in 1959. The Field Manual gives 1959 as the start year and does not specify an end — a minority view that the rest of the corpus does not corroborate. Capture as a date contradiction: 1955–59 active per the auction record + Hodinkee + Monochrome; 1959–63 per VRFM in start-only form.

	Documented serial numbers run from 113,092 to 360,272+. Red-depth-printed dials concentrate in the first-year 113,xxx batch (Phillips Geneva 8 lot 95; Phillips Watch Auction One lot 167). Standard no-depth gilt examples populate the late-1950s bands. The serial-band evidence supports the 1955-active-production reading.		Documented serial numbers run from 113,092 to 360,272+. Red-depth-printed dials concentrate in the first-year 113,xxx batch (Phillips Geneva 8 lot 95; Phillips Watch Auction One lot 167). Standard no-depth gilt examples populate the late-1950s bands. The serial-band evidence supports the 1955-active-production reading.
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	=== Albino (white dial) ===		=== Albino (white dial) ===

	The Albino is a white-dial 6610 — among the rarest of all Explorer dials in any reference. White ground with dark printing, in place of the black lacquered standard. Auction appearances are uncommon and surviving counts are not formally documented~~. Wound For Life mentions the variant; the corpus has not produced photographic anchor for a recent major-house lot~~. How the Albino came to exist is not on public record. Whether it was a special order or a limited factory run has not been established, and Rolex has not published anything on it. The Albino sits at the apex of the 6610 collector market when examples surface.		The Albino is a white-dial 6610 — among the rarest of all Explorer dials in any reference. White ground with dark printing, in place of the black lacquered standard. Auction appearances are uncommon and surviving counts are not formally documented. How the Albino came to exist is not on public record. Whether it was a special order or a limited factory run has not been established, and Rolex has not published anything on it. The Albino sits at the apex of the 6610 collector market when examples surface.

	<span id="lollipop-seconds-evolution"></span>		<span id="lollipop-seconds-evolution"></span>
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	Period-correct delivery is the 6636 expandable rivet or the 7206 fixed-link rivet, both with 57 or 58 end-links. The 41Watch primer on rivet Oyster bracelets and chrono-shop's part listings both anchor 6636 / 7206 with 57/58 end-links to the late-1950s Explorer / Submariner cluster. The 9315 folded-link Oyster turns up frequently on cataloged 6610 examples but the clasp date codes prove these are post-1968 service replacements — not period-correct for any 6610. The 78360 folded-link Oyster (introduced in the 1970s) is a known service swap on later survivors.		Period-correct delivery is the 6636 expandable rivet or the 7206 fixed-link rivet, both with 57 or 58 end-links. The 41Watch primer on rivet Oyster bracelets and chrono-shop's part listings both anchor 6636 / 7206 with 57/58 end-links to the late-1950s Explorer / Submariner cluster. The 9315 folded-link Oyster turns up frequently on cataloged 6610 examples but the clasp date codes prove these are post-1968 service replacements — not period-correct for any 6610. The 78360 folded-link Oyster (introduced in the 1970s) is a known service swap on later survivors.

	Big Logo Swiss rivet bracelets surface on a small group of late 6610s; whether they were original-delivery or later fitments is not always clear from the surviving record. ~~Tropical Watch documents~~ a 1958 6610 with service papers on a Big Logo bracelet, which suggests a service-era refit rather than original delivery.		Big Logo Swiss rivet bracelets surface on a small group of late 6610s; whether they were original-delivery or later fitments is not always clear from the surviving record. Specialist documentation records a 1958 6610 with service papers on a Big Logo bracelet, which suggests a service-era refit rather than original delivery.

	<span id="historical-market-and-auction-record"></span>		<span id="historical-market-and-auction-record"></span>

Admin: 6610: rebuild from external research scout (22 sources). Active production 1955-1959 with leftover stock to 1963 (capture VRFM 1959 start as minority view). Cal 1030 25j COSC chronometer. Three dial generations: red-depth 50m gilt (113,xxx cluster), gilt no-depth, tropical conversion. Albino white-dial branch. Bracelets 6636/7206 with 57/58 endlinks period-correct, 9315 NOT period-correct (post-1968 service). 8-lot auction record. Phillips HK$ 302,000 red-depth headline. Preserved both image...

2026-04-29T05:34:43Z

6610: rebuild from external research scout (22 sources). Active production 1955-1959 with leftover stock to 1963 (capture VRFM 1959 start as minority view). Cal 1030 25j COSC chronometer. Three dial generations: red-depth 50m gilt (113,xxx cluster), gilt no-depth, tropical conversion. Albino white-dial branch. Bracelets 6636/7206 with 57/58 endlinks period-correct, 9315 NOT period-correct (post-1968 service). 8-lot auction record. Phillips HK$ 302,000 red-depth headline. Preserved both image...

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