Reference:116520 - Revision history

Admin: Resize hero: 340px -> 250px

2026-04-30T04:20:45Z

Resize hero: 340px -> 250px

← Older revision		Revision as of 04:20, 30 April 2026
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	<span id="core-facts"></span>		<span id="core-facts"></span>
	[[File:Ref 116520 hero.webp\|thumb\|right\|~~340px~~\|alt=Rolex Cosmograph Daytona Ref. 116520\|Rolex Cosmograph Daytona Ref. 116520]]		[[File:Ref 116520 hero.webp\|thumb\|right\|250px\|alt=Rolex Cosmograph Daytona Ref. 116520\|Rolex Cosmograph Daytona Ref. 116520]]

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

Admin: Audit: dedupe Sources block by URL (Phillips APH + Revolution Zenith dupes)

2026-04-29T20:45:48Z

Audit: dedupe Sources block by URL (Phillips APH + Revolution Zenith dupes)

← Older revision		Revision as of 20:45, 29 April 2026
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	* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra		* ''The Vintage Rolex Field Manual'' — Colin A. White, Morning Tundra

	* [https://www.phillips.com/article/127946519/rolex-daytona-aph-dial-116520-error Perpetual Picks: Accidents Happen — The APH Daytona] — Logan Baker, Phillips
	* [https://watchesbysjx.com/2020/11/rolex-daytona-movement-4130-liga.html Insight: High-Tech LIGA Within the Rolex Daytona Cal. 4130] — JX Su, SJX Watches		* [https://watchesbysjx.com/2020/11/rolex-daytona-movement-4130-liga.html Insight: High-Tech LIGA Within the Rolex Daytona Cal. 4130] — JX Su, SJX Watches
	* [https://mazzariolstefanoblog.com/en/stefano-mazzariol-blog-en/studio-sul-rolex-daytona-ref-116520-la-storia-i-mark-e-levoluzione-blog/ Study on the Rolex Daytona Ref. 116520 — History, Marks, and Evolution] — Stefano Mazzariol		* [https://mazzariolstefanoblog.com/en/stefano-mazzariol-blog-en/studio-sul-rolex-daytona-ref-116520-la-storia-i-mark-e-levoluzione-blog/ Study on the Rolex Daytona Ref. 116520 — History, Marks, and Evolution] — Stefano Mazzariol
	* [https://www.phillips.com/article/117303084/the-rolex-cosmograph-daytona-ref-116506-the-anniversary-watch-that-was-so-much-more The Rolex Daytona 116506: Anniversary Watch] — Phillips		* [https://www.phillips.com/article/117303084/the-rolex-cosmograph-daytona-ref-116506-the-anniversary-watch-that-was-so-much-more The Rolex Daytona 116506: Anniversary Watch] — Phillips
	* [https://revolutionwatch.com/a-movement-in-history-the-zenith-driven-rolex-daytona/ A Movement in History: The Zenith-Driven Rolex Daytona] — Revolution
	* [https://calibercorner.com/rolex-caliber-4130/ Rolex Caliber 4130 Watch Movement] — Caliber Corner		* [https://calibercorner.com/rolex-caliber-4130/ Rolex Caliber 4130 Watch Movement] — Caliber Corner
	* [https://www.rolexforums.com/showthread.php?t=652404 Rolex Daytona 116520 SS Dial Guide: Period Variation Study] — RolexForums		* [https://www.rolexforums.com/showthread.php?t=652404 Rolex Daytona 116520 SS Dial Guide: Period Variation Study] — RolexForums

Admin: Text audit: voice, clarity, source links

2026-04-29T20:41:17Z

Text audit: voice, clarity, source links

← Older revision		Revision as of 20:41, 29 April 2026
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	\| 2000-2003 \|\| Black, White (silver subs) \|\| luminova \|\| 78490 \|\| SEL \|\| Initial in-house production with engraved Rolex inner bezel ring.		\| 2000-2003 \|\| Black, White (silver subs) \|\| luminova \|\| 78490 \|\| SEL \|\| Initial in-house production with engraved Rolex inner bezel ring.
	\|-		\|-
	\| 2003-2008 \|\| Black, White \|\| super-luminova \|\| 78490 \|\| SEL \|\| Lume transition. Easylink 5mm comfort extension introduced ~2002 ~~per Hodinkee context (precise launch year per ref undocumented in published sources)~~.		\| 2003-2008 \|\| Black, White \|\| super-luminova \|\| 78490 \|\| SEL \|\| Lume transition. Easylink 5mm comfort extension introduced around 2002.
	\|-		\|-
	\| 2009-2014 \|\| APH error (white 2009-), APH error (black 2010-) \|\| chromalight \|\| 78490 \|\| SEL \|\| APH kerning anomaly per Phillips Logan Baker.		\| 2009-2014 \|\| APH error (white 2009-), APH error (black 2010-) \|\| chromalight \|\| 78490 \|\| SEL \|\| APH kerning anomaly per Phillips Logan Baker.

Admin: Category casing fix per audit. Normalize: working-draft → Working Draft; Explorer-Ii → Explorer II; Oyster-Perpetual → Oyster Perpetual; Daytona Manual-wind → Daytona Manual-Wind; Daytona In-house Gen 1 → Daytona In-House Gen 1. Drop redundant Category:References (not part of convention; family-and-status categories are sufficient).

2026-04-29T19:56:48Z

Category casing fix per audit. Normalize: working-draft → Working Draft; Explorer-Ii → Explorer II; Oyster-Perpetual → Oyster Perpetual; Daytona Manual-wind → Daytona Manual-Wind; Daytona In-house Gen 1 → Daytona In-House Gen 1. Drop redundant Category:References (not part of convention; family-and-status categories are sufficient).

← Older revision		Revision as of 19:56, 29 April 2026
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	* [https://www.rolexforums.com/showthread.php?t=652404 Rolex Daytona 116520 SS Dial Guide: Period Variation Study] — RolexForums		* [https://www.rolexforums.com/showthread.php?t=652404 Rolex Daytona 116520 SS Dial Guide: Period Variation Study] — RolexForums

	[[Category:Daytona In-~~house~~ Gen 1]]		[[Category:Daytona In-House Gen 1]]
	[[Category:Daytona]]		[[Category:Daytona]]
	[[Category:Working Draft]]		[[Category:Working Draft]]

Admin: Category fix: Draft → Working Draft to match wider convention (5512/5513/1016/1675/1680/6263 etc.)

2026-04-29T19:19:29Z

Category fix: Draft → Working Draft to match wider convention (5512/5513/1016/1675/1680/6263 etc.)

← Older revision		Revision as of 19:19, 29 April 2026
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	[[Category:Daytona In-house Gen 1]]		[[Category:Daytona In-house Gen 1]]
	[[Category:Daytona]]		[[Category:Daytona]]
	[[Category:Draft]]		[[Category:Working Draft]]

Admin: SEO: og:image + image_alt + og_type + timestamps

2026-04-29T03:18:31Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 03:18, 29 April 2026
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	{{#seo:		{{#seo:
	\|title=Rolex ~~Cosmograph~~ Daytona ~~116520 (2000-2016)~~ — ~~first in-house cal 4130~~, ~~APH dial —~~ BezelBase		\|title=Rolex 116520 Daytona — Production, Dial Variants, Serial Ranges \| BezelBase
	\|description=Rolex's first in-house chronograph movement (cal 4130, 72h power reserve, vertical clutch, column wheel) ran in the 116520 for 16 years before the ceramic-bezel transition in 2016. Includes the APH error dial and the asymmetric lug case observation.		\|description=Rolex's first in-house chronograph movement (cal 4130, 72h power reserve, vertical clutch, column wheel) ran in the 116520 for 16 years before the ceramic-bezel transition in 2016. Includes the APH error dial and the asymmetric lug case observation.
	\|keywords=Rolex 116520, Daytona 116520, cal 4130, in-house chronograph, APH dial, asymmetric lugs, Fratello, vertical clutch, column wheel, 78490		\|keywords=Rolex 116520, Daytona 116520, cal 4130, in-house chronograph, APH dial, asymmetric lugs, Fratello, vertical clutch, column wheel, 78490
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	\|og_type=article		\|og_type=article
	\|published_time=2026-04-19T03:20:10Z		\|published_time=2026-04-19T03:20:10Z
	\|modified_time=2026-04-29T02:31:~~45Z~~		\|modified_time=2026-04-29T02:45:54Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: SEO: og:image + image_alt + og_type + timestamps

2026-04-29T02:45:54Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 02:45, 29 April 2026
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	\|og_type=article		\|og_type=article
	\|published_time=2026-04-19T03:20:10Z		\|published_time=2026-04-19T03:20:10Z
	\|modified_time=2026-04-~~27T13~~:41:~~10Z~~		\|modified_time=2026-04-29T02:31:45Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: SEO: og:image + image_alt + og_type + timestamps

2026-04-29T02:31:45Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 02:31, 29 April 2026
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	\|og_type=article		\|og_type=article
	\|published_time=2026-04-19T03:20:10Z		\|published_time=2026-04-19T03:20:10Z
	\|modified_time=2026-04-~~24T16~~:45:~~17Z~~		\|modified_time=2026-04-27T13:41:10Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: Slop sweep: paragraph challenge + AI-tone scrub

2026-04-27T13:41:10Z

Slop sweep: paragraph challenge + AI-tone scrub

Show changes

Admin: Lexical slop sweep: filler adverbs, load-bearing, stands as, breadcrumb, register

2026-04-27T13:27:33Z

Lexical slop sweep: filler adverbs, load-bearing, stands as, breadcrumb, register

← Older revision		Revision as of 13:27, 27 April 2026
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	}}		}}

	<small>[[Reference:daytona\|Daytona]] → '''116520'''</small>		<small>[[Reference:daytona\|Daytona]] -> '''116520'''</small>

	The 116520 is the first Daytona to wear a wholly Rolex-built chronograph movement. It launched at Baselworld 2000 with caliber 4130, ran for sixteen years before the ceramic-bezel 116500LN took its place in 2016, and closes the long arc that began with steel tachymetre bezels on the manual-wind 6263 and ran through the Zenith-driven 16520. Everything that powers a current Daytona — vertical clutch, column wheel, 72-hour reserve — was put on the wrist here first.		The 116520 is the first Daytona to wear a wholly Rolex-built chronograph movement. It launched at Baselworld 2000 with caliber 4130, ran for sixteen years before the ceramic-bezel 116500LN took its place in 2016, and closes the long arc that began with steel tachymetre bezels on the manual-wind 6263 and ran through the Zenith-driven 16520. Everything that powers a current Daytona — vertical clutch, column wheel, 72-hour reserve — was put on the wrist here first.