Reference:1803 - Revision history

Admin: Fact fix: remove phantom refs 1830/1832 (do not exist — see research/evidence/day-date/nonexistent-refs-1830-1832.yaml) and correct 1831's description (special-order integrated-case Emperor, not a bezel-finish catalogue sibling)

2026-08-10T00:22:35Z

Fact fix: remove phantom refs 1830/1832 (do not exist — see research/evidence/day-date/nonexistent-refs-1830-1832.yaml) and correct 1831's description (special-order integrated-case Emperor, not a bezel-finish catalogue sibling)

← Older revision		Revision as of 00:22, 10 August 2026
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	==Where it sits in the line==		==Where it sits in the line==

	The 1803 is the volume Day-Date of the vintage era. The originals-era cluster (6510, 6511, 6611, 6612, 6613, 6611B, 6612B) ran 1956-1959 in low numbers, initially on the Jubilee bracelet, with the President bracelet introduced on the 6611 in 1957. The 1803 inherits the cal 1055-derived movement architecture, transitions to the longer-run 1500-series calibers, and becomes the watch that turns the Day-Date into a category. Catalogue siblings split off from the 1803's case architecture by bezel finish: the 1804 with a gem-set bezel (often platinum or pink-gold), the 1806 with Florentine finish, the 1807 with bark centre links and full bark coverage, the 1811 with Morellis finish, ~~and the 1830 / 1831 / 1832 carrying further bezel~~-~~and~~-~~material variation~~.		The 1803 is the volume Day-Date of the vintage era. The originals-era cluster (6510, 6511, 6611, 6612, 6613, 6611B, 6612B) ran 1956-1959 in low numbers, initially on the Jubilee bracelet, with the President bracelet introduced on the 6611 in 1957. The 1803 inherits the cal 1055-derived movement architecture, transitions to the longer-run 1500-series calibers, and becomes the watch that turns the Day-Date into a category. Catalogue siblings split off from the 1803's case architecture by bezel finish: the 1804 with a gem-set bezel (often platinum or pink-gold), the 1806 with Florentine finish, the 1807 with bark centre links and full bark coverage, and the 1811 with Morellis finish. The 1831 stands apart from that catalogue run entirely, a special-order integrated-case platinum "Emperor" built in roughly eight numbered examples rather than a standard-production sibling.

	Dial experimentation arrives on the 1803. The originals-era cluster ran production stick-indices with the occasional Roman-numeral commission. The 1803 opens to Stella lacquered colour, Stern Frères stone dials, the Buckley Roman commercial run, the Red Quarters Arabic minute track, and the Pucci Papaleo "Break Point" and "Purple Rose" specials. Collector attention to that depth surfaces through the 1990s and 2000s, with Stella examples reviving as a distinct dealer category around 2015. A Collected Man's tally places roughly 1,200 Stella 1803s across the entire production.		Dial experimentation arrives on the 1803. The originals-era cluster ran production stick-indices with the occasional Roman-numeral commission. The 1803 opens to Stella lacquered colour, Stern Frères stone dials, the Buckley Roman commercial run, the Red Quarters Arabic minute track, and the Pucci Papaleo "Break Point" and "Purple Rose" specials. Collector attention to that depth surfaces through the 1990s and 2000s, with Stella examples reviving as a distinct dealer category around 2015. A Collected Man's tally places roughly 1,200 Stella 1803s across the entire production.

Admin: Style: canonical '== Sources ==' heading spacing per AGENTS.md

2026-08-08T21:31:11Z

Style: canonical '== Sources ==' heading spacing per AGENTS.md

← Older revision		Revision as of 21:31, 8 August 2026
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	See also the [[Reference:day-date\|Day-Date family index]], [[Reference:Movements\|movement reference]], [[Reference:Bracelets\|bracelet & clasp guide]], and [[Reference:Serial-numbers\|serial numbers by year]].		See also the [[Reference:day-date\|Day-Date family index]], [[Reference:Movements\|movement reference]], [[Reference:Bracelets\|bracelet & clasp guide]], and [[Reference:Serial-numbers\|serial numbers by year]].

	==Sources==		== Sources ==

	===Primary and specialist===		===Primary and specialist===

Admin: Fix: strip banned dealer attribution from prose per CLAUDE.md hard rule #5

2026-08-08T18:02:20Z

Fix: strip banned dealer attribution from prose per CLAUDE.md hard rule #5

← Older revision		Revision as of 18:02, 8 August 2026
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	The caliber 1555 (1959 to c. 1965) is the early Day-Date specification: 18,000 vph (2.5 Hz), 25 jewels, 42-hour power reserve, free-sprung Microstella balance with Breguet overcoil, no hacking, no quickset, day-and-date complications via the 1055-derived architecture.		The caliber 1555 (1959 to c. 1965) is the early Day-Date specification: 18,000 vph (2.5 Hz), 25 jewels, 42-hour power reserve, free-sprung Microstella balance with Breguet overcoil, no hacking, no quickset, day-and-date complications via the 1055-derived architecture.

	The caliber 1556 (c. 1965 to end) is the longer-run movement. 19,800 vph (2.75 Hz), one frequency step up. 26 jewels, one more than the 1555. 42-hour power reserve. 28.50mm diameter. Free-sprung Microstella balance and Breguet overcoil carry over from the 1555. Hacking seconds were added in 1972~~: Beckertime~~, ~~Ottuhr, and~~ the ~~broader~~ specialist literature ~~converge~~ on ~~1972 for the hacking-seconds introduction~~ across the 1500 family, so pre-1972 cal 1556 examples do not hack. Quickset never arrives on the 1803; date and day advance only by running the hands through midnight.		The caliber 1556 (c. 1965 to end) is the longer-run movement. 19,800 vph (2.75 Hz), one frequency step up. 26 jewels, one more than the 1555. 42-hour power reserve. 28.50mm diameter. Free-sprung Microstella balance and Breguet overcoil carry over from the 1555. Hacking seconds were added in 1972, a date the specialist literature agrees on across the whole 1500 family, so pre-1972 cal 1556 examples do not hack. Quickset never arrives on the 1803; date and day advance only by running the hands through midnight.

	Both calibers are COSC chronometer-certified. The cal 1556 is the fourth-generation Day-Date movement, after the original cal 1055, the upgraded 1055, and the cal 1555. Service intervals at Rolex Service Centre run ten years officially, five to seven per independent watchmakers.		Both calibers are COSC chronometer-certified. The cal 1556 is the fourth-generation Day-Date movement, after the original cal 1055, the upgraded 1055, and the cal 1555. Service intervals at Rolex Service Centre run ten years officially, five to seven per independent watchmakers.

Admin: SEO: clickable title + og:image + timestamps

2026-08-04T00:18:58Z

SEO: clickable title + og:image + timestamps

← Older revision		Revision as of 00:18, 4 August 2026
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	\|og_type=article		\|og_type=article
	\|published_time=2026-05-18T00:50:25Z		\|published_time=2026-05-18T00:50:25Z
	\|modified_time=2026-07-~~18T12~~:55:~~35Z~~		\|modified_time=2026-08-04T00:10:29Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: SEO: clickable title + og:image + timestamps

2026-08-04T00:10:29Z

SEO: clickable title + og:image + timestamps

← Older revision		Revision as of 00:10, 4 August 2026
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	{{DISPLAYTITLE:Rolex 1803 Day-Date}}		{{DISPLAYTITLE:Rolex 1803 Day-Date}}
	{{#seo:		{{#seo:
	\|title=Rolex Day-Date 1803 — Fluted President, 1960–1977 \| BezelBase		\|title=Rolex Day-Date 1803 — Fluted President, 1960–1977 \| BezelBase
	\|description=The 1803 is the canonical 4-digit Day-Date — 1959 to 1977-78, cal 1555/1556, 36mm President. Stella lacquer, Stern stone dials, Buckley Roman, Wide-Boy, Underline, Red Quarters, Tiffany double-signed, Khanjar Oman, and the Sotheby's 2024 Nasser hammer at USD 840,000.		\|description=The 1803 is the canonical 4-digit Day-Date — 1959 to 1977-78, cal 1555/1556, 36mm President. Stella lacquer, Stern stone dials, Buckley Roman, Wide-Boy, Underline, Red Quarters, Tiffany double-signed, Khanjar Oman, and the Sotheby's 2024 Nasser hammer at USD 840,000.
	\|keywords=Rolex 1803, Day-Date, President, Stella, Stern, Buckley, Wide-Boy, Underline, Red Quarters, Sigma, cal 1555, cal 1556, Nasser, LBJ, Khanjar, Tiffany double-signed		\|keywords=Rolex 1803, Day-Date, President, Stella, Stern, Buckley, Wide-Boy, Underline, Red Quarters, Sigma, cal 1555, cal 1556, Nasser, LBJ, Khanjar, Tiffany double-signed
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	\|og_type=article		\|og_type=article
	\|published_time=2026-05-18T00:50:25Z		\|published_time=2026-05-18T00:50:25Z
	\|modified_time=2026-06-~~29T01~~:17:~~49Z~~		\|modified_time=2026-07-18T12:55:35Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
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Klaudiusz: Internal linking: related references + component links

2026-07-18T12:55:35Z

Internal linking: related references + component links

← Older revision		Revision as of 12:55, 18 July 2026
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	Period-correct retail commissions in Latin American and Iberian markets occasionally surface with native-language day discs (Portuguese, Spanish). Authenticated against same-period delivery documentation.		Period-correct retail commissions in Latin American and Iberian markets occasionally surface with native-language day discs (Portuguese, Spanish). Authenticated against same-period delivery documentation.


			== Related references ==

			* [[Reference:6611\|Day-Date 6611]] — 1957–1959
			* [[Reference:6612\|Day-Date 6612]] — Early President (1957–1959)
			* [[Reference:6612B\|Day-Date 6612B]] — 1957–1959
			* [[Reference:6510\|Day-Date 6510]] — 1956–1957
			* [[Reference:6511\|Day-Date 6511]] — 1956–1957
			* [[Reference:18028\|Day-Date 18028]] — 1977–1988

			See also the [[Reference:day-date\|Day-Date family index]], [[Reference:Movements\|movement reference]], [[Reference:Bracelets\|bracelet & clasp guide]], and [[Reference:Serial-numbers\|serial numbers by year]].

	==Sources==		==Sources==

Admin: SEO: clickable title + og:image + timestamps

2026-06-29T01:19:11Z

SEO: clickable title + og:image + timestamps

← Older revision		Revision as of 01:19, 29 June 2026
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	\|published_time=2026-05-18T00:50:25Z		\|published_time=2026-05-18T00:50:25Z
	\|modified_time=2026-06-~~28T23~~:38:~~09Z~~		\|modified_time=2026-06-29T01:17:49Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: SEO: clickable title + og:image + timestamps

2026-06-29T01:17:49Z

SEO: clickable title + og:image + timestamps

← Older revision		Revision as of 01:17, 29 June 2026
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	\|published_time=2026-05-18T00:50:25Z		\|published_time=2026-05-18T00:50:25Z
	\|modified_time=2026-06-~~08T01~~:59:~~33Z~~		\|modified_time=2026-06-28T23:38:09Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Admin: SEO: clickable title + og:image + timestamps

2026-06-28T23:38:09Z

SEO: clickable title + og:image + timestamps

← Older revision		Revision as of 23:38, 28 June 2026
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	{{DISPLAYTITLE:Rolex 1803 Day-Date}}		{{DISPLAYTITLE:Rolex 1803 Day-Date}}
	{{#seo:		{{#seo:
	\|title=Rolex ~~1803~~ Day-Date — ~~Stella, Stone, Buckley, Wide-Boy~~, ~~Nasser provenance~~ \| BezelBase		\|title=Rolex Day-Date 1803 — Fluted President, 1960–1977 \| BezelBase
	\|description=The 1803 is the canonical 4-digit Day-Date — 1959 to 1977-78, cal 1555/1556, 36mm President. Stella lacquer, Stern stone dials, Buckley Roman, Wide-Boy, Underline, Red Quarters, Tiffany double-signed, Khanjar Oman, and the Sotheby's 2024 Nasser hammer at USD 840,000.		\|description=The 1803 is the canonical 4-digit Day-Date — 1959 to 1977-78, cal 1555/1556, 36mm President. Stella lacquer, Stern stone dials, Buckley Roman, Wide-Boy, Underline, Red Quarters, Tiffany double-signed, Khanjar Oman, and the Sotheby's 2024 Nasser hammer at USD 840,000.
	\|keywords=Rolex 1803, Day-Date, President, Stella, Stern, Buckley, Wide-Boy, Underline, Red Quarters, Sigma, cal 1555, cal 1556, Nasser, LBJ, Khanjar, Tiffany double-signed		\|keywords=Rolex 1803, Day-Date, President, Stella, Stern, Buckley, Wide-Boy, Underline, Red Quarters, Sigma, cal 1555, cal 1556, Nasser, LBJ, Khanjar, Tiffany double-signed
	\|image=Ref 1803 hero.webp		\|image=Ref 1803 hero.webp
	\|image_alt=Rolex Day-Date 1803 ~~Lacquered Stella~~ dial		\|image_alt=Rolex Day-Date 1803 — 36mm 18k yellow gold President, champagne stick-index dial, fluted bezel. Eighteen-year run on cal 1555 then cal 1556, the volume reference of the vintage Day-Date era. Image via Monochrome.
	\|type=Article		\|type=Article
	\|og_type=article		\|og_type=article
			\|published_time=2026-05-18T00:50:25Z
			\|modified_time=2026-06-08T01:59:33Z
	\|robots=index,follow,max-image-preview:large		\|robots=index,follow,max-image-preview:large
	}}		}}

Klaudiusz: Fix: 1806 is the Florentine-finish reference (case/bezel/lugs + brick bracelet), not bark — bark belongs to the 1807

2026-06-08T01:59:33Z

Fix: 1806 is the Florentine-finish reference (case/bezel/lugs + brick bracelet), not bark — bark belongs to the 1807

← Older revision		Revision as of 01:59, 8 June 2026
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	==Where it sits in the line==		==Where it sits in the line==

	The 1803 is the volume Day-Date of the vintage era. The originals-era cluster (6510, 6511, 6611, 6612, 6613, 6611B, 6612B) ran 1956-1959 in low numbers, initially on the Jubilee bracelet, with the President bracelet introduced on the 6611 in 1957. The 1803 inherits the cal 1055-derived movement architecture, transitions to the longer-run 1500-series calibers, and becomes the watch that turns the Day-Date into a category. Catalogue siblings split off from the 1803's case architecture by bezel finish: the 1804 with a gem-set bezel (often platinum or pink-gold), the 1806 with ~~bark bezel~~, the 1807 with bark centre links and full bark coverage, the 1811 with Morellis finish, and the 1830 / 1831 / 1832 carrying further bezel-and-material variation.		The 1803 is the volume Day-Date of the vintage era. The originals-era cluster (6510, 6511, 6611, 6612, 6613, 6611B, 6612B) ran 1956-1959 in low numbers, initially on the Jubilee bracelet, with the President bracelet introduced on the 6611 in 1957. The 1803 inherits the cal 1055-derived movement architecture, transitions to the longer-run 1500-series calibers, and becomes the watch that turns the Day-Date into a category. Catalogue siblings split off from the 1803's case architecture by bezel finish: the 1804 with a gem-set bezel (often platinum or pink-gold), the 1806 with Florentine finish, the 1807 with bark centre links and full bark coverage, the 1811 with Morellis finish, and the 1830 / 1831 / 1832 carrying further bezel-and-material variation.

	Dial experimentation arrives on the 1803. The originals-era cluster ran production stick-indices with the occasional Roman-numeral commission. The 1803 opens to Stella lacquered colour, Stern Frères stone dials, the Buckley Roman commercial run, the Red Quarters Arabic minute track, and the Pucci Papaleo "Break Point" and "Purple Rose" specials. Collector attention to that depth surfaces through the 1990s and 2000s, with Stella examples reviving as a distinct dealer category around 2015. A Collected Man's tally places roughly 1,200 Stella 1803s across the entire production.		Dial experimentation arrives on the 1803. The originals-era cluster ran production stick-indices with the occasional Roman-numeral commission. The 1803 opens to Stella lacquered colour, Stern Frères stone dials, the Buckley Roman commercial run, the Red Quarters Arabic minute track, and the Pucci Papaleo "Break Point" and "Purple Rose" specials. Collector attention to that depth surfaces through the 1990s and 2000s, with Stella examples reviving as a distinct dealer category around 2015. A Collected Man's tally places roughly 1,200 Stella 1803s across the entire production.