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Create researched Day-Date 18018 reference article

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=== Reference:18018 ===
{{DISPLAYTITLE:Rolex Day-Date 18018}}
{{#seo:
|title=Rolex Day-Date 18018 — Documented examples and variants | Rolexopedia
|description=Case-numbered Rolex Day-Date 18018 examples, Cal. 3055, documented dial and bezel variants, and bracelet details.
|keywords=Rolex 18018, Day-Date 18018, Cal. 3055, pyramid bezel, Pleiades dial
|image=Ref_18018_hero.webp
|image_alt=Yellow-gold Rolex Day-Date 18018 with a pyramid bezel and gem-set Pleiades dial
|type=Article
|og_type=article
|robots=index,follow,max-image-preview:large
}}

<small>[[Reference:day-date|Day-Date]] → '''18018'''</small>

<div class="rp-lead">
[[File:Ref 18018 hero.webp|thumb|center|640px|alt=Yellow-gold Rolex Day-Date 18018 with a pyramid bezel and gem-set Pleiades dial|Christie's case R594158, circa 1988.]]
</div>

The 18018 is a 36 mm yellow-gold Day-Date with automatic Cal. 3055. Auction records date examples to about 1986–1988.

==Core facts==

{| class="wikitable rp-facts"
|-
! detail
! value
|-
| reference
| 18018
|-
| family
| Day-Date
|-
| dated examples
| Phillips: circa 1986 and 1987; Christie’s: circa 1988
|-
| case
| 18k yellow gold; 36 mm in the cited catalogues
|-
| crystal
| Sapphire listed on one 1988 example
|-
| movement
| Automatic Cal. 3055; Phillips lists 27 jewels
|-
| variants shown
| Pyramid bezel; blue-enamel and ruby-set dials
|-
| bracelet
| President bracelet listed on multiple examples; one AGRASC lot gives clasp 8385 and end-links 55
|}

==Where it sits in the line==

It belongs to the five-digit automatic Day-Date generation and shares Cal. 3055 with the 18038. Later 18238 examples use Cal. 3155. See [[Reference:Movements#cal-3055|Cal. 3055]] and the [[Reference:day-date|Day-Date reference guide]].

==Production outline==

Phillips dates case 9'864'030 to about 1986 and case 9'845'437 to about 1987; Christie’s dates case R594158 to about 1988. The two Phillips estimates do not follow case-number order, so the numbers should not be used as a year guide. These are dates assigned to individual watches; the reference’s production span is unknown.

==Movement notes==

Phillips lists Cal. 3055 with 27 jewels in both examples. Its crown quicksets the date; the weekday changes when the hands pass midnight. Cal. 3155 adds a separate day quickset.

==Dial map==

Phillips records a blue-enamel dial with pavé-set diamonds on case 9'864'030, dated about 1986. Its 9'845'437 example, dated about 1987, has a diamond-set pyramid bezel. Christie's describes a ruby-set Pleiades dial on case R594158, dated about 1988. An AGRASC sale record shows an additional example with a gold dial, baton markers, and diamonds on the bezel and lugs.

A [https://amsterdamvintagewatches.com/shop/rolex-day-date-18018-pyramid-blue-diamond/ 1988 listing] describes a blue sunburst dial with diamond markers, baguettes at 6 and 9, diamond-set lugs, and a pyramid bezel. The seller calls the settings original; that claim is not independently documented here.

[[File:Ref 18018 dial detail.webp|thumb|right|240px|The dial, pyramid bezel, and diamond-set lugs on Christie's case R594158.|alt=Close view of the ruby and diamond Pleiades dial, pyramid bezel, and diamond-set lugs on a yellow-gold Day-Date 18018]]

==Case and bezel==

Phillips and Christie's describe pyramid bezels; AGRASC records diamonds on the bezel and lugs, plus a screw-down crown and caseback. A [https://amsterdamvintagewatches.com/shop/rolex-day-date-18018-pyramid-blue-diamond/ 1988 listing] specifies a sapphire crystal.

[[File:Ref 18018 caseback.webp|thumb|right|240px|Caseback and case hallmarks on Christie's case R594158.|alt=Yellow-gold caseback and case hallmarks of a Rolex Day-Date 18018, case R594158]]

==Bracelet and clasp==

The Phillips, Christie's, and AGRASC examples are listed with President bracelets. AGRASC gives bracelet 8385 and end-links 55 for case R241418.

<gallery mode="packed" heights="180">
File:Ref 18018 hero.webp|Christie's case R594158, front view.
File:Ref 18018 dial detail.webp|Ruby-set Pleiades dial, pyramid bezel, and diamond-set lugs.
File:Ref 18018 caseback.webp|Caseback and hallmarks.
</gallery>

== Sources ==

* [https://www.dist.phillips.com/content/web/auctions/HK080216/HK080216_zh_1.pdf "Phillips, Hong Kong Watch Auction: THREE, lot 964 — ref. 18018, case 9'864'030", Phillips, 2016-11-29]
* [https://www.phillips.com/detail/rolex/173575 "Phillips, The Geneva Watch Auction: XVI, lot 99 — ref. 18018, case 9'845'437", Phillips, 2022-11-05]
* [https://www.christies.com/en/lot/lot-6478601 "Christie's, ref. 18018, case R594158, circa 1988", Christie's, 2024-05-13]
* [https://agrasc.gouv.fr/sites/default/files/2024-01/vente_dnid_web_06_12_2023.pdf "AGRASC, sale catalogue, 6 December 2023, lot 139 — ref. 18018, case R241418", AGRASC, 2023-12-06]
* [https://amsterdamvintagewatches.com/shop/rolex-day-date-18018-pyramid-blue-diamond/ "Amsterdam Vintage Watches, Day-Date 18018 'Blue Diamond'", Amsterdam Vintage Watches]
* [https://www.bobswatches.com/rolex-blog/resources/quickset-vintage-day-date-models.html Bob's Watches editorial, "Quickset Vintage Day-Date Models", Bob's Watches]

[[Category:Day-Date]]

--- 5142 chars, 3 images ---
[hero] Ref 18018 hero.webp <- /Users/pawelb/workspace/rolexopedia/deliverables/references/18018/images/public/Ref 18018 hero.webp
[dial-detail] Ref 18018 dial detail.webp <- /Users/pawelb/workspace/rolexopedia/deliverables/references/18018/images/public/Ref 18018 dial detail.webp
[caseback] Ref 18018 caseback.webp <- /Users/pawelb/workspace/rolexopedia/deliverables/references/18018/images/public/Ref 18018 caseback.webp

Reference:18018 - Revision history

Admin: Create researched Day-Date 18018 reference article