Reference:6105: Difference between revisions

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[[Reference:~~bubbleback~~|~~Bubbleback~~]] → '''6105'''

[[Reference:datejust|Datejust]] → '''6105'''

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== Movement: Cal. A.296 ==

The 6105 ~~uses~~ Cal. A.296, ~~the next step up from the 4467's A.295 in the~~ Aegler automatic ~~family that powered the Ovettone references through the early 1950s~~. "A.296" denotes the movement's 29.6mm diameter. Rolex's parts-catalog nomenclature lists the same movement within the 740/745 family, consistent with how the 4467's A.295 appears as Cal. 740/745 in the same catalogs. The naming conventions run in parallel; the movement is one movement.

The cited 6105 catalogues identify Cal. A.296, an early Aegler automatic movement used in this period. "A.296" denotes the movement's 29.6mm diameter. Rolex's parts-catalog nomenclature lists the same movement within the 740/745 family, consistent with how the 4467's A.295 appears as Cal. 740/745 in the same catalogs. The naming conventions run in parallel; the movement is one movement.

~~A.296 is the expected movement here:~~ 18 jewels~~, unidirectional~~ winding, no shock protection~~, and the same gradual~~ date change ~~the earlier Big Bubblebacks used~~. The fast takeaway is that the 6105 still belongs mechanically to the Bubbleback world, even as the Datejust name finally appears.

The cited examples list 18 jewels. The available lot descriptions do not establish a universal winding direction, shock-protection specification or date-change behaviour for every 6105. The fast takeaway is that the 6105 still belongs mechanically to the Bubbleback world, even as the Datejust name finally appears.

One detail matters for authentication on 6105 and 4467 examples alike: the dial feet differ between A.295 and A.296, so the two references do not share period-correct dials.

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Auction prices vary with case metal, dial and condition. The available sales are too few to establish a stable premium for pink gold, black gilt, Serpico dials or left-hand examples.

The market ~~position is steady rather than explosive. The 6105 matters more~~ for ~~what it is in~~ the ~~Datejust story than for any speculative market heat~~.

The available sales show different prices for different metals and dials. They are individual results, not a reliable market range for the reference.

Auction coverage is thinner than for the 4467. The ~~practical split is enough: ordinary yellow gold at the baseline~~, ~~black gilt and signed-~~dial ~~watches above it~~, and ~~the rarest destro pieces beyond normal pricing ranges~~.

Auction coverage is thinner than for the 4467. The records are too sparse to rank configurations by price. Case condition, dial originality, metal and accessories all affect a result.

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The 6105 is an early Datejust reference with the model name printed on the dial. It is often cited as the first such reference. A photographed 6075 with the same wording complicates that account, but its dial was graded restored and does not prove original fitment. The earliest factory use of the dial text is not established by these auction records.

== Auction record ==

{| class="wikitable"

! source !! example !! result or estimate

|-

| [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6105-oyster-perpetual-lot-372-281 Antiquorum, lot 281] || circa 1950, pink gold, case 791548, black dial, A296, 36 mm || CHF 16,250

|-

| [https://www.monacolegendauctions.com/auction/exclusive-timepieces-37/lot-125 Monaco Legend, lot 125] || 1951, pink gold, case 837513, A.296, 36 mm || CHF 12,500 incl. premium

|-

| [https://www.christies.com/en/lot/lot-5091513 Christie’s] || circa 1952, 18K gold, case 820172, black dial, A.296, 35 mm || estimate US$6,500–9,000

|-

| [https://www.monacolegendauctions.com/auction/exclusive-timepieces-25/lot-272 Monaco Legend, lot 272] || 1953, yellow gold, case 971852, A.296, 36 mm, box and tag || €268,750 incl. premium

|}

== Related references ==

@@ Line 12: / Line 12: @@
 }}
-<small>[[Reference:bubbleback|Bubbleback]] → '''6105'''</small>
+<small>[[Reference:datejust|Datejust]] → '''6105'''</small>
 <div class="rp-lead">
@@ Line 111: / Line 111: @@
 == Movement: Cal. A.296 ==
-The 6105 uses Cal. A.296, the next step up from the 4467's A.295 in the Aegler automatic family that powered the Ovettone references through the early 1950s. "A.296" denotes the movement's 29.6mm diameter. Rolex's parts-catalog nomenclature lists the same movement within the 740/745 family, consistent with how the 4467's A.295 appears as Cal. 740/745 in the same catalogs. The naming conventions run in parallel; the movement is one movement.
+The cited 6105 catalogues identify Cal. A.296, an early Aegler automatic movement used in this period. "A.296" denotes the movement's 29.6mm diameter. Rolex's parts-catalog nomenclature lists the same movement within the 740/745 family, consistent with how the 4467's A.295 appears as Cal. 740/745 in the same catalogs. The naming conventions run in parallel; the movement is one movement.
-A.296 is the expected movement here: 18 jewels, unidirectional winding, no shock protection, and the same gradual date change the earlier Big Bubblebacks used. The fast takeaway is that the 6105 still belongs mechanically to the Bubbleback world, even as the Datejust name finally appears.
+The cited examples list 18 jewels. The available lot descriptions do not establish a universal winding direction, shock-protection specification or date-change behaviour for every 6105. The fast takeaway is that the 6105 still belongs mechanically to the Bubbleback world, even as the Datejust name finally appears.
 One detail matters for authentication on 6105 and 4467 examples alike: the dial feet differ between A.295 and A.296, so the two references do not share period-correct dials.
@@ Line 127: / Line 127: @@
 Auction prices vary with case metal, dial and condition. The available sales are too few to establish a stable premium for pink gold, black gilt, Serpico dials or left-hand examples.
-The market position is steady rather than explosive. The 6105 matters more for what it is in the Datejust story than for any speculative market heat.
+The available sales show different prices for different metals and dials. They are individual results, not a reliable market range for the reference.
-Auction coverage is thinner than for the 4467. The practical split is enough: ordinary yellow gold at the baseline, black gilt and signed-dial watches above it, and the rarest destro pieces beyond normal pricing ranges.
+Auction coverage is thinner than for the 4467. The records are too sparse to rank configurations by price. Case condition, dial originality, metal and accessories all affect a result.
 <span id="authentication-priorities"></span>
@@ Line 153: / Line 153: @@
 The 6105 is an early Datejust reference with the model name printed on the dial. It is often cited as the first such reference. A photographed 6075 with the same wording complicates that account, but its dial was graded restored and does not prove original fitment. The earliest factory use of the dial text is not established by these auction records.
+== Auction record ==
+{| class="wikitable"
+! source !! example !! result or estimate
+|-
+| [https://catalog.antiquorum.swiss/en/lots/rolex-ref-6105-oyster-perpetual-lot-372-281 Antiquorum, lot 281] || circa 1950, pink gold, case 791548, black dial, A296, 36 mm || CHF 16,250
+|-
+| [https://www.monacolegendauctions.com/auction/exclusive-timepieces-37/lot-125 Monaco Legend, lot 125] || 1951, pink gold, case 837513, A.296, 36 mm || CHF 12,500 incl. premium
+|-
+| [https://www.christies.com/en/lot/lot-5091513 Christie’s] || circa 1952, 18K gold, case 820172, black dial, A.296, 35 mm || estimate US$6,500–9,000
+|-
+| [https://www.monacolegendauctions.com/auction/exclusive-timepieces-25/lot-272 Monaco Legend, lot 272] || 1953, yellow gold, case 971852, A.296, 36 mm, box and tag || €268,750 incl. premium
+|}
 == Related references ==