Reference:6580: Difference between revisions

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== Where it sits in the line ==

The 6580 belongs to the same broad caliber 1030 Oyster Perpetual period as [[Reference:6098|6098]], [[Reference:6085|6085]], ~~and~~ [[Reference:6564|6564]]. That shared movement period does not establish identical cases or dials. The related references are useful comparisons, not substitutes for a 6580 caseback and movement check.

The 6580 belongs to the same broad caliber 1030 Oyster Perpetual period as [[Reference:6098|6098]], [[Reference:6085|6085]], [[Reference:6564|6564]], and [[Reference:6584|6584]]. The 6584 is also catalogued with Cal. 1030, though its steel attribution is less settled. That shared movement period does not establish identical cases or dials. The related references are useful comparisons, not substitutes for a 6580 caseback and movement check.

== Production outline ==

A dealer example is dated circa 1954 and is identified with case number 39801. Other listings also use circa 1954, but no Rolex-published production window or total for 6580 was located. These dates should remain attached to the examples that carry them.

A dealer example is dated circa 1954 and is identified with case number 39801. Other listings also use circa 1954, but no Rolex-published production window or total for 6580 was located. These dates should remain attached to the examples that carry them. Eguchi Vintage identifies a steel watch as 6580 and records 6584 inside its caseback; the listing does not explain the marking. [https://eguchi-store.jp/stocklist/299802/ Eguchi Vintage, item 299802].

== Movement notes ==

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 == Where it sits in the line ==
-The 6580 belongs to the same broad caliber 1030 Oyster Perpetual period as [[Reference:6098|6098]], [[Reference:6085|6085]], and [[Reference:6564|6564]]. That shared movement period does not establish identical cases or dials. The related references are useful comparisons, not substitutes for a 6580 caseback and movement check.
+The 6580 belongs to the same broad caliber 1030 Oyster Perpetual period as [[Reference:6098|6098]], [[Reference:6085|6085]], [[Reference:6564|6564]], and [[Reference:6584|6584]]. The 6584 is also catalogued with Cal. 1030, though its steel attribution is less settled. That shared movement period does not establish identical cases or dials. The related references are useful comparisons, not substitutes for a 6580 caseback and movement check.
 == Production outline ==
-A dealer example is dated circa 1954 and is identified with case number 39801. Other listings also use circa 1954, but no Rolex-published production window or total for 6580 was located. These dates should remain attached to the examples that carry them.
+A dealer example is dated circa 1954 and is identified with case number 39801. Other listings also use circa 1954, but no Rolex-published production window or total for 6580 was located. These dates should remain attached to the examples that carry them. Eguchi Vintage identifies a steel watch as 6580 and records 6584 inside its caseback; the listing does not explain the marking. [https://eguchi-store.jp/stocklist/299802/ Eguchi Vintage, item 299802].
 == Movement notes ==