Reference:1527 - Revision history

Admin: Resize hero: 340px -> 250px

2026-04-30T04:21:07Z

Resize hero: 340px -> 250px

← Older revision		Revision as of 04:21, 30 April 2026
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	The 1527 is the Railway Prince. The case steps inward from the lugs in machined bands of solid gold, alternating white with pink (the canonical pairing) or white with yellow on rarer examples, producing a profile that read in the late 1920s and 1930s as obviously locomotive-inspired Art Deco. Each step is a discrete piece of solid 18K gold rather than an applied band over a base case, which makes the construction structurally distinct from the smooth bicolor 971A "Tiger Stripe" and visually distinct from every other Prince reference. The duo-dial layout is the standard Prince architecture — hours and minutes upper, sub-seconds at six — and the movement is the Aegler 7½′′′ T.S. 300 in Extra Prima or Ultra Prima grade. Production runs from a documented 1931 Mondani example into the 1940s, with a steel + gold-filled Bonhams 2006 lot anchoring the late-production end. The reference is genuinely rare in the modern auction record — fewer than fifteen distinct lots in the public auction record across the past three decades, comparable to the 971 in stepped-bicolor form rather than to the more common 1490. The collector watchmaker watch-guy.com calls it "the only rectangular Prince worth having."		The 1527 is the Railway Prince. The case steps inward from the lugs in machined bands of solid gold, alternating white with pink (the canonical pairing) or white with yellow on rarer examples, producing a profile that read in the late 1920s and 1930s as obviously locomotive-inspired Art Deco. Each step is a discrete piece of solid 18K gold rather than an applied band over a base case, which makes the construction structurally distinct from the smooth bicolor 971A "Tiger Stripe" and visually distinct from every other Prince reference. The duo-dial layout is the standard Prince architecture — hours and minutes upper, sub-seconds at six — and the movement is the Aegler 7½′′′ T.S. 300 in Extra Prima or Ultra Prima grade. Production runs from a documented 1931 Mondani example into the 1940s, with a steel + gold-filled Bonhams 2006 lot anchoring the late-production end. The reference is genuinely rare in the modern auction record — fewer than fifteen distinct lots in the public auction record across the past three decades, comparable to the 971 in stepped-bicolor form rather than to the more common 1490. The collector watchmaker watch-guy.com calls it "the only rectangular Prince worth having."

	[[File:Ref 1527 hero.webp\|thumb\|right\|~~340px~~\|alt=Rolex Prince Railway 1527 18K white and yellow gold stepped case\|18K white + yellow gold stepped Railway case (Antiquorum Geneva 2005 lot 100), silvered duo-dial "ROLEX PRINCE / CHRONOMETER"]]		[[File:Ref 1527 hero.webp\|thumb\|right\|250px\|alt=Rolex Prince Railway 1527 18K white and yellow gold stepped case\|18K white + yellow gold stepped Railway case (Antiquorum Geneva 2005 lot 100), silvered duo-dial "ROLEX PRINCE / CHRONOMETER"]]

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

Admin: Text audit final check: strip remaining surfaced-record token

2026-04-30T00:33:16Z

Text audit final check: strip remaining surfaced-record token

← Older revision		Revision as of 00:33, 30 April 2026
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	* Stainless steel — Sotheby's NY 2008 Time Museum auction (sale N08474), single documented example. The rarest material on a 1527.		* Stainless steel — Sotheby's NY 2008 Time Museum auction (sale N08474), single documented example. The rarest material on a 1527.

	No platinum 1527 is documented in the ~~surfaced~~ auction record (unlike the 971, which has at least four documented platinum examples). The all-pink-and-yellow-gold pairing without white is also undocumented; the white-gold band is integral to the canonical Railway treatment.		No platinum 1527 is documented in the auction record (unlike the 971, which has at least four documented platinum examples). The all-pink-and-yellow-gold pairing without white is also undocumented; the white-gold band is integral to the canonical Railway treatment.

	==The movement==		==The movement==

Admin: Text audit: voice, clarity, source links

2026-04-30T00:29:11Z

Text audit: voice, clarity, source links

Show changes

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).

2026-04-29T19:56:55Z

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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	[[Category:Prince]]		[[Category:Prince]]
	[[Category:~~working-draft]]~~		[[Category:Working Draft]]
	~~[[Category:References~~]]

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

2026-04-29T03:19:47Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 03:19, 29 April 2026
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	{{#seo:		{{#seo:
	\|title=Rolex ~~Prince Railway~~ 1527 — BezelBase		\|title=Rolex 1527 — Production, Dial Variants, Serial Ranges \| BezelBase
	\|description=The Rolex Prince Railway 1527 is the stepped Art-Deco bicolor Prince — solid stepped gold construction (white + pink gold canonical, white + yellow rare), 1930 launch into the 1940s, Aegler 7½′′′ T.S. 300 in Extra Prima or Ultra Prima grade. Population fewer than 15 documented auction lots in three decades. Watch-guy.com calls it "the only rectangular Prince worth having."		\|description=The Rolex Prince Railway 1527 is the stepped Art-Deco bicolor Prince — solid stepped gold construction (white + pink gold canonical, white + yellow rare), 1930 launch into the 1940s, Aegler 7½′′′ T.S. 300 in Extra Prima or Ultra Prima grade. Population fewer than 15 documented auction lots in three decades. Watch-guy.com calls it "the only rectangular Prince worth having."
	\|keywords=Rolex, Prince, 1527, 1527 M, Railway, Chemin de Fer, stepped, Art Deco, Aegler, T.S. 300, Ultra Prima, Extra Prima, vintage, bicolor, Mondani, reference guide		\|keywords=Rolex, Prince, 1527, 1527 M, Railway, Chemin de Fer, stepped, Art Deco, Aegler, T.S. 300, Ultra Prima, Extra Prima, vintage, bicolor, Mondani, reference guide
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	\|og_type=article		\|og_type=article
	\|published_time=2026-04-29T02:22:33Z		\|published_time=2026-04-29T02:22:33Z
	\|modified_time=2026-04-29T02:33:~~02Z~~		\|modified_time=2026-04-29T02:47:09Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

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

2026-04-29T02:47:09Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 02:47, 29 April 2026
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	\|og_type=article		\|og_type=article
	\|published_time=2026-04-29T02:22:33Z		\|published_time=2026-04-29T02:22:33Z
	\|modified_time=2026-04-29T02:23:~~26Z~~		\|modified_time=2026-04-29T02:33:02Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

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

2026-04-29T02:33:02Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 02:33, 29 April 2026
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	\|og_type=article		\|og_type=article
	\|published_time=2026-04-29T02:22:33Z		\|published_time=2026-04-29T02:22:33Z
	\|modified_time=2026-04-29T02:23:~~13Z~~		\|modified_time=2026-04-29T02:23:26Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

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

2026-04-29T02:23:26Z

SEO: og:image + image_alt + og_type + timestamps

← Older revision		Revision as of 02:23, 29 April 2026
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	\|type=article		\|type=article
	\|og_type=article		\|og_type=article
			\|published_time=2026-04-29T02:22:33Z
			\|modified_time=2026-04-29T02:23:13Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: Build source list from package.yaml.source_ids

2026-04-29T02:23:13Z

Build source list from package.yaml.source_ids

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 ==Sources==
 [[Category:Prince]]
 [[Category:working-draft]]
 [[Category:References]]

Admin: Add SEO + breadcrumb + hero (white+yellow Antiquorum 2005) + 2 inline images (Mondani bamboo bracelet 1931, Vicenza Oro 1992 white+pink)

2026-04-29T02:23:09Z

Add SEO + breadcrumb + hero (white+yellow Antiquorum 2005) + 2 inline images (Mondani bamboo bracelet 1931, Vicenza Oro 1992 white+pink)

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 The 1527 is the Railway Prince. The case steps inward from the lugs in machined bands of solid gold, alternating white with pink (the canonical pairing) or white with yellow on rarer examples, producing a profile that read in the late 1920s and 1930s as obviously locomotive-inspired Art Deco. Each step is a discrete piece of solid 18K gold rather than an applied band over a base case, which makes the construction structurally distinct from the smooth bicolor 971A "Tiger Stripe" and visually distinct from every other Prince reference. The duo-dial layout is the standard Prince architecture — hours and minutes upper, sub-seconds at six — and the movement is the Aegler 7½′′′ T.S. 300 in Extra Prima or Ultra Prima grade. Production runs from a documented 1931 Mondani example into the 1940s, with a steel + gold-filled Bonhams 2006 lot anchoring the late-production end. The reference is genuinely rare in the modern auction record — fewer than fifteen distinct lots surfaced across surveyed major houses in the past three decades, comparable to the 971 in stepped-bicolor form rather than to the more common 1490. The collector watchmaker watch-guy.com calls it "the only rectangular Prince worth having" — a strong claim, but defensible given the construction.
 ==Core facts==
@@ Line 78: / Line 93: @@
 ==The Railway nickname==
 "Railway" is collector convention rather than Rolex catalog vocabulary. No period Rolex advertisement using the term has surfaced; the earliest catalog use traces to Antiquorum's 1992 Vicenza Oro auction (lot 146), which describes the 1527 as the "Prince Railway" and grounds the nickname in the visual analogy to locomotive forms — the stepped sides reading like the riveted side panels of a 1930s passenger carriage. French-language mirrors render the same nickname as "Chemin de Fer" (literally "iron road"), and Italian collector usage sometimes carries the term as well, but the primary collector convention in English-language auction catalogs is "Railway."
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 ==Materials documented==
 The auction record places 1527 examples in the following configurations: