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	<updated>2026-08-11T00:44:36Z</updated>
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		<id>https://bezelbase.org/index.php?title=Reference:6564&amp;diff=7391&amp;oldid=prev</id>
		<title>Admin: New reference article: 6564 (Oyster Perpetual, 18k gold, cal 1030, Brevet-marked early example)</title>
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		<updated>2026-08-10T21:37:47Z</updated>

		<summary type="html">&lt;p&gt;New reference article: 6564 (Oyster Perpetual, 18k gold, cal 1030, Brevet-marked early example)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{DISPLAYTITLE:Rolex Oyster Perpetual 6564}}&lt;br /&gt;
{{#seo:&lt;br /&gt;
|title=Rolex Oyster Perpetual 6564 — 18k Gold, Circa 1955 &amp;amp;#124; BezelBase&lt;br /&gt;
|description=The Rolex Oyster Perpetual 6564, circa 1955 — an 18k yellow gold cal 1030 automatic from the flat-caseback generation, with early &amp;quot;Brevet&amp;quot; patent markings on case, crown and movement.&lt;br /&gt;
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|image=Ref 6564 hero.webp&lt;br /&gt;
|image_alt=Rolex Oyster Perpetual 6564 in 18k yellow gold&lt;br /&gt;
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&amp;lt;small&amp;gt;[[Reference:oyster-perpetual|Oyster Perpetual]] -&amp;amp;gt; &amp;#039;&amp;#039;&amp;#039;6564&amp;#039;&amp;#039;&amp;#039;&amp;lt;/small&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[File:Ref 6564 hero.webp|thumb|right|300px|Rolex Oyster Perpetual 6564, circa 1955, 18k yellow gold, &amp;quot;Brevet&amp;quot; patent marking.]]&lt;br /&gt;
&lt;br /&gt;
The 6564 is a mid-1950s Oyster Perpetual built in 18k yellow gold around the cal 1030 automatic, the same flat-caseback movement family that powers [[Reference:6098|6098]], [[Reference:6085|6085]] and [[Reference:6580|6580]]. A documented early example carries &amp;quot;Brevet&amp;quot; — French for patent — stamped on the case, crown and movement, along with a meters-first depth rating under the dial signature, both details specialists read as early-production tells for this reference.&lt;br /&gt;
&lt;br /&gt;
== Core facts ==&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! detail&lt;br /&gt;
! value&lt;br /&gt;
|-&lt;br /&gt;
| reference&lt;br /&gt;
| 6564&lt;br /&gt;
|-&lt;br /&gt;
| family&lt;br /&gt;
| Oyster Perpetual&lt;br /&gt;
|-&lt;br /&gt;
| production&lt;br /&gt;
| 1955 launch (documented example dated to the same year)&lt;br /&gt;
|-&lt;br /&gt;
| case&lt;br /&gt;
| 34mm x 12mm, 18k yellow gold&lt;br /&gt;
|-&lt;br /&gt;
| crystal&lt;br /&gt;
| Plexiglass (acrylic)&lt;br /&gt;
|-&lt;br /&gt;
| movement&lt;br /&gt;
| Caliber 1030, self-winding — Rolex&amp;#039;s first bidirectional automatic-winding movement, also used across contemporaneous Submariner references&lt;br /&gt;
|-&lt;br /&gt;
| dial&lt;br /&gt;
| Gold-tone dial with even patina; early examples marked &amp;quot;Brevet&amp;quot; and depth rating meters-first under the signature&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== Where it sits in the line ==&lt;br /&gt;
&lt;br /&gt;
The 6564 is the gold-case member of the same cal 1030 flat-caseback generation that produced the steel [[Reference:6098|6098]] and [[Reference:6580|6580]] and the gold-and-steel spread of [[Reference:6085|6085]]. A separately attested reference, 6567, is described in dealer listings as a gold Oyster Perpetual Chronometer of the same era with a fluted bezel — a plausible sibling on the same case and movement platform, though its own case dimensions and dial were not independently confirmed for this article and it is flagged here as a lead rather than asserted as fact.&lt;br /&gt;
&lt;br /&gt;
== Production outline ==&lt;br /&gt;
&lt;br /&gt;
A documented example, case number 141XXX, dates to 1955 and carries &amp;quot;Brevet&amp;quot; (patent) markings on the case, crown and movement — a detail associated with the earliest run of the reference. No Rolex-published production window exists; the reference sits inside the broader mid-1950s window shared with its flat-caseback siblings.&lt;br /&gt;
&lt;br /&gt;
== Movement notes ==&lt;br /&gt;
&lt;br /&gt;
Caliber 1030 is Rolex&amp;#039;s first bidirectional self-winding movement, introduced in this generation and carried forward into contemporaneous Submariner references. No jewel count or beat rate was recovered from the located source.&lt;br /&gt;
&lt;br /&gt;
== Dial map ==&lt;br /&gt;
&lt;br /&gt;
The documented example shows a gold-tone dial with an even, consistent patina. Distinguishing early-production features include the &amp;quot;Brevet&amp;quot; case/crown/movement marking and a depth rating printed meters-first beneath the signature — later production is understood to have dropped these in favour of standard catalogue text, though the exact cutover has not been independently dated.&lt;br /&gt;
&lt;br /&gt;
== Case, bezel, crystal, and crown ==&lt;br /&gt;
&lt;br /&gt;
The case is 18k yellow gold, 34mm across and 12mm thick, fitted with a Plexiglass crystal. The documented example&amp;#039;s crown carries the same &amp;quot;Brevet&amp;quot; patent marking as the case and movement.&lt;br /&gt;
&lt;br /&gt;
== Related references ==&lt;br /&gt;
&lt;br /&gt;
* [[Reference:6098|6098]] and [[Reference:6580|6580]] — steel siblings on the same cal 1030 platform.&lt;br /&gt;
* [[Reference:6085|6085]] — the precious-metal-capable honeycomb-dial sibling of the same generation.&lt;br /&gt;
* [[Reference:oyster-perpetual|Oyster Perpetual family index]]&lt;br /&gt;
&lt;br /&gt;
== Shared references ==&lt;br /&gt;
&lt;br /&gt;
* [[Reference:Serial-numbers|Serial numbers by year]]&lt;br /&gt;
* [[Reference:Movements|Movement reference]]&lt;br /&gt;
* [[Reference:Bracelets|Bracelet &amp;amp; clasp guide]]&lt;br /&gt;
&lt;br /&gt;
== Sources ==&lt;br /&gt;
&lt;br /&gt;
* [https://shop.hodinkee.com/products/1955-rolex-oyster-perpetual-reference-6564 Hodinkee Shop — &amp;quot;1955 Rolex Oyster Perpetual Reference 6564&amp;quot;]&lt;br /&gt;
* &amp;#039;&amp;#039;The Vintage Rolex Field Manual&amp;#039;&amp;#039; — Colin A. White, Morning Tundra&lt;br /&gt;
&lt;br /&gt;
[[Category:Oyster Perpetual]]&lt;br /&gt;
[[Category:References]]&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
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